Fix ```mmlu_continuation``` subgroup names to fit Readme and other variants (#3137)

* Update continuation group names to fit Readme

* added changelog to readme and switched datasets form hails to cais

* added missing new line at end of readme

lm_eval/tasks/mmlu/continuation/mmlu_global_facts.yaml

 "dataset_name": "global_facts"
 "description": "The following are questions (with answers) about global\
   \ facts.\n\n"
-"tag": "mmlu_continuation_other"
+"tag": "mmlu_other_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_global_facts"
+"task": "mmlu_global_facts_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_biology.yaml

 "dataset_name": "high_school_biology"
 "description": "The following are questions (with answers) about high\
   \ school biology.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_biology"
+"task": "mmlu_high_school_biology_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_chemistry.yaml

 "dataset_name": "high_school_chemistry"
 "description": "The following are questions (with answers) about high\
   \ school chemistry.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_chemistry"
+"task": "mmlu_high_school_chemistry_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_computer_science.yaml

 "dataset_name": "high_school_computer_science"
 "description": "The following are questions (with answers) about high\
   \ school computer science.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_computer_science"
+"task": "mmlu_high_school_computer_science_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_european_history.yaml

 "dataset_name": "high_school_european_history"
 "description": "The following are questions (with answers) about high\
   \ school european history.\n\n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_european_history"
+"task": "mmlu_high_school_european_history_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_geography.yaml

 "dataset_name": "high_school_geography"
 "description": "The following are questions (with answers) about high\
   \ school geography.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_geography"
+"task": "mmlu_high_school_geography_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_government_and_politics.yaml

 "dataset_name": "high_school_government_and_politics"
 "description": "The following are questions (with answers) about high\
   \ school government and politics.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_government_and_politics"
+"task": "mmlu_high_school_government_and_politics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_macroeconomics.yaml

 "dataset_name": "high_school_macroeconomics"
 "description": "The following are questions (with answers) about high\
   \ school macroeconomics.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_macroeconomics"
+"task": "mmlu_high_school_macroeconomics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_mathematics.yaml

 "dataset_name": "high_school_mathematics"
 "description": "The following are questions (with answers) about high\
   \ school mathematics.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_mathematics"
+"task": "mmlu_high_school_mathematics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_microeconomics.yaml

 "dataset_name": "high_school_microeconomics"
 "description": "The following are questions (with answers) about high\
   \ school microeconomics.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_microeconomics"
+"task": "mmlu_high_school_microeconomics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_physics.yaml

 "dataset_name": "high_school_physics"
 "description": "The following are questions (with answers) about high\
   \ school physics.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_physics"
+"task": "mmlu_high_school_physics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_psychology.yaml

 "dataset_name": "high_school_psychology"
 "description": "The following are questions (with answers) about high\
   \ school psychology.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_psychology"
+"task": "mmlu_high_school_psychology_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_statistics.yaml

 "dataset_name": "high_school_statistics"
 "description": "The following are questions (with answers) about high\
   \ school statistics.\n\n"
-"tag": "mmlu_continuation_stem"
+"tag": "mmlu_stem_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_statistics"
+"task": "mmlu_high_school_statistics_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_us_history.yaml

 "dataset_name": "high_school_us_history"
 "description": "The following are questions (with answers) about high\
   \ school us history.\n\n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_us_history"
+"task": "mmlu_high_school_us_history_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_high_school_world_history.yaml

 "dataset_name": "high_school_world_history"
 "description": "The following are questions (with answers) about high\
   \ school world history.\n\n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_high_school_world_history"
+"task": "mmlu_high_school_world_history_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_human_aging.yaml

 "dataset_name": "human_aging"
 "description": "The following are questions (with answers) about human\
   \ aging.\n\n"
-"tag": "mmlu_continuation_other"
+"tag": "mmlu_other_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_human_aging"
+"task": "mmlu_human_aging_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_human_sexuality.yaml

 "dataset_name": "human_sexuality"
 "description": "The following are questions (with answers) about human\
   \ sexuality.\n\n"
-"tag": "mmlu_continuation_social_sciences"
+"tag": "mmlu_social_sciences_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_human_sexuality"
+"task": "mmlu_human_sexuality_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_international_law.yaml

 "dataset_name": "international_law"
 "description": "The following are questions (with answers) about international\
   \ law.\n\n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_international_law"
+"task": "mmlu_international_law_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_jurisprudence.yaml

 "dataset_name": "jurisprudence"
 "description": "The following are questions (with answers) about jurisprudence.\n\
   \n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_jurisprudence"
+"task": "mmlu_jurisprudence_continuation"

lm_eval/tasks/mmlu/continuation/mmlu_logical_fallacies.yaml

 "dataset_name": "logical_fallacies"
 "description": "The following are questions (with answers) about logical\
   \ fallacies.\n\n"
-"tag": "mmlu_continuation_humanities"
+"tag": "mmlu_humanities_continuation"
 "include": "_continuation_template_yaml"
-"task": "mmlu_continuation_logical_fallacies"
+"task": "mmlu_logical_fallacies_continuation"