Fix github workflow test for PyQt6

Author: ZashIn

.github/workflows/tests.yml

@@ -14,11 +14,17 @@ jobs:
         with:
           python-version: 3.12
       - uses: abatilo/actions-poetry@v2
-      - name: Install
+      - name: Install PyQt requirements (xcb on Linux)
+        if: runner.os == 'Linux'
+        # Fix from: https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions-azure-pipelines-travis-ci-and-gitlab-ci-cd
+        uses: awalsh128/cache-apt-pkgs-action@v1
+        with:
+          packages: libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0 x11-utils libgl1 libegl1 libdbus-1-3
+      - name: Install dependencies
         run: |
           cd basic_games
           poetry --no-root install
-      - name: Test
+      - name: Run tests
         run: |
           cd basic_games
           poetry run poe test