fix: dockerfile path

action.yml

@@ -27,7 +27,7 @@ runs:
     - |
       mkdir -p /kaniko/.docker
       echo '{"auths":{"${{ inputs.registry }}":{"auth":"'$(printf "%s:%s" "${{ inputs.username }}" "${{ inputs.password }}" | base64 | tr -d '\n')'"}}}' > /kaniko/.docker/config.json
-      cat > /tmp/Dockerfile <<EOF
+      cat > Dockerfile <<EOF
       ${{ inputs.Dockerfile }}
       EOF
-      /kaniko/executor --dockerfile /tmp/Dockerfile --destination ${{ inputs.image }}
+      /kaniko/executor --dockerfile Dockerfile --destination ${{ inputs.image }}