pre-push: Add dedicated ignored folder for mypy

* Add a dedicated __mypycache__ folder for mypy cache dir to avoid the
  3.11 folders being created that can be tracked by git

.gitignore

@@ -8,6 +8,7 @@ node_modules
 # Avoid local python development
 *__pycache__
 *.pytest_cache
+*__mypycache__
 env/
 Pipfile
 Pipfile.lock

.hooks/pre-push

@@ -95,7 +95,7 @@ echo "Running pylint.."
 pipenv run pylint $python_files
 
 echo "Running mypy.."
-git ls-files '*setup.py' | parallel 'pipenv run mypy $(dirname {}) --cache-dir $(dirname {})'
+git ls-files '*setup.py' | parallel 'pipenv run mypy $(dirname {}) --cache-dir "$(dirname {})/__mypycache__"'
 
 echo "Running pytest.."
 pipenv run pytest -n 10 --cov="$repository_path" --cov-report html