[MISC] Add code owners of vllm/v1 to vllm/v1/core (#24928)

Signed-off-by: Chen Zhang <zhangch99@outlook.com>

.github/CODEOWNERS

@@ -35,7 +35,7 @@ CMakeLists.txt @tlrmchlsmth @LucasWilkinson
 /vllm/v1/spec_decode @benchislett @luccafong
 /vllm/v1/attention/backends/flashinfer.py @mgoin
 /vllm/v1/attention/backends/triton_attn.py @tdoublep
-/vllm/v1/core @heheda12345
+/vllm/v1/core @WoosukKwon @robertgshaw2-redhat @njhill @ywang96 @comaniac @alexm-redhat @heheda12345
 /vllm/v1/kv_cache_interface.py @heheda12345
 
 # Test ownership
@@ -54,7 +54,7 @@ CMakeLists.txt @tlrmchlsmth @LucasWilkinson
 /tests/test_inputs.py @DarkLight1337 @ywang96
 /tests/v1/entrypoints/llm/test_struct_output_generate.py @mgoin @russellb @aarnphm
 /tests/v1/structured_output @mgoin @russellb @aarnphm
-/tests/v1/core @heheda12345
+/tests/v1/core @WoosukKwon @robertgshaw2-redhat @njhill @ywang96 @comaniac @alexm-redhat @heheda12345
 /tests/weight_loading @mgoin @youkaichao @yewentao256
 /tests/lora @jeejeelee
 /tests/models/language/generation/test_hybrid.py @tdoublep