GitLab

* [chore] move to 3.8/3.9/3.10

* move to 1.11 for stable version

* fixed version check

* fixed cache file names

* update the precommit flow too
Co-authored-by: Min Xu <min.xu.public@gmail.com>

* adding pre-commit files

* applying pre-commit to all files

* adding no-strict-optional argument to mypy in circle ci config

* fix typo

* updating python versions

* [skip ci] remove extra args

* adding python 3.9

* [skip ci] set pre-commit version in requirements-dev.txt

* set CACHE_VERSION

* move linters from circleci to github actions

* update python version

* update python version in benchmarks_2

* moving to python 3.9.7