docker: add cleanup step for old GitHub Packages images

This change introduces a step to clean up old untagged container images in GitHub Packages, ensuring better management of package versions during the build process.

Signed-off-by: Chiho Sin <[email protected]>

Author: chihosin

.github/workflows/docker_build.yml

@@ -84,4 +84,12 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           platforms: ${{ inputs.platform }}
-          target: ${{ inputs.port }}
+          target: ${{ inputs.port }}
+
+      - name: Cleanup GitHub Packages images
+        if: ${{ inputs.push }}
+        uses: actions/delete-package-versions@v4
+        with:
+          package-name: ${{ github.repository }}
+          package-type: container
+          delete-only-untagged-versions: true