Fix macos test (naive) (#1626)

* Fix `macos` test (naive)

According to https://github.com/actions/runner-images/blob/main/images/macos/macos-11-Readme.md#language-and-runtime the version of python on the macos-11 runner is python3.10. Actions allows for setup of python in a different way as indicated here: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

* Remove other option

.github/workflows/ci-auto-commit-mac.yml

@@ -17,16 +17,14 @@ jobs:
         uses: actions/checkout@v2   
         with:
           ref: develop 
-      - name: Setup Python
-        run: |
-          brew update
-          brew install [email protected]
-          brew unlink [email protected]
-          brew link --force --overwrite [email protected]
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
       - name: Update requirements
         run: |
           cd $GITHUB_WORKSPACE
-          python3.7 -m venv ${{env.venv_dir}}
+          python3.8 -m venv ${{env.venv_dir}}
           . ${{env.venv_dir}}/bin/activate
           pip install --upgrade pip wheel
           pip install .[camera-obs,rllib,test,torch,train]
@@ -37,4 +35,4 @@ jobs:
           add: 'utils/setup/mac_requirements.txt'
           branch: develop
           default_author: user_info 
-          message: 'GitHub Actions: Update mac_requirements.txt'
+          message: 'GitHub Actions: Update mac_requirements.txt'