Add podman to .github/workflows/pytests.yml

Signed-off-by: Tobias Wolf <wolf@b1-systems.de>

Author: NotTheEvilOne

.github/workflows/pytests.yml

@@ -26,7 +26,9 @@ jobs:
           python_version: ${{ matrix.python_version }}
 
       - name: Install dependencies
-        run: poetry install --with dev
+        run: |
+          sudo apt-get update && sudo apt-get install -qy podman
+          poetry install --with dev
 
       - name: Prepare environment
         run: make install-test