CI/CD python template: don't cache venv
small documentation update: don't cache venv in the Python template. The caching of venv has been deprecated 5 months ago and was retired from the main gitlab-ci documentation: !93367 (merged)
small documentation update: don't cache venv in the Python template. The caching of venv has been deprecated 5 months ago and was retired from the main gitlab-ci documentation: !93367 (merged)