ci: free disk space

https://github.com/docker/build-push-action/blob/master/TROUBLESHOOTING.md#image-not-loaded

.github/workflows/ci.yml

@@ -108,6 +108,12 @@ jobs:
             PYTHONBIN: python3.12
             DISTRO: noble
     steps:
+      # Free disk space
+      - name: Free Disk space
+        shell: bash
+        run: |
+          sudo rm -rf /usr/local/lib/android  # will release about 10 GB if you don't need Android
+          sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
       - uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3