Merge branch 'release' into 'master'

add pytest-mock to yaml github ci

See merge request 3d/PandoraBox/pandora2d!73

.github/workflows/pandora2d_ci.yml

@@ -22,6 +22,7 @@ jobs:
         python -m pip install --upgrade pip
         pip install pytest
         pip install pytest-cov
+        pip install pytest-mock
         pip install codecov
         pip install build
     - name: Install Pandora2d