ci: Upload generated images as artifacts

Author: EmperorArthur

.github/workflows/ci.yml

@@ -60,6 +60,12 @@ jobs:
         working-directory: ./tests
         run: python3 -m unittest
 
+     - name: Upload Artifacts
+       uses: actions/upload-artifact@v4
+       with:
+         name: images
+         path: images/**/*.png
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: false