Add debug logging

.github/workflows/publish-docker.yml

@@ -31,6 +31,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Debug
+        run: |
+          echo "github.ref: ${{ github.ref }}"
+          echo "github.ref_type: ${{ github.ref_type }}"
+          echo "github.event_name: ${{ github.event_name }}"
+
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign