working on GHA

Author: Peter

.github/workflows/python-package.yml

@@ -46,6 +46,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install .[test]
+          python -m pip install pytest
       - name: Clone mujoco_menagerie repository
         run: |
           git clone https://github.com/google-deepmind/mujoco_menagerie