fix(action): Pass tags used by container

action.yml

@@ -13,6 +13,10 @@ inputs:
     description: 'Public key, path to public key, or URL to retrieve public key'
     default: '/etc/pki/kernel/public/public_key.der'
     required: true
+  tags:
+    description: 'Tags used by container'
+    default: 'latest'
+    required: true
 runs:
   using: "composite"
   steps:
@@ -22,5 +26,9 @@ runs:
         CONTAINER_ID=$(podman run --replace --name "${{ inputs.image }}" -dt "${{ inputs.image }}")
         podman cp "${{ github.action_path }}"/sign-kernel.sh "${{ inputs.image }}":/tmp/sign-kernel.sh
         podman exec -e PRIVKEY="${{ inputs.privkey }}" -e PUBKEY="${{ inputs.pubkey }}" "${{ inputs.image }}" "/tmp/sign-kernel.sh"
-        buildah commit "$CONTAINER_ID" "${{ inputs.image }}"
+        for TAG in $TAGS; do
+          buildah commit "$CONTAINER_ID" "${{ inputs.image }}":"$TAG"
+        done
         podman container list
+      env:
+        TAGS: ${{ inputs.tags }}