ci(docker): fix version in app.php

.github/workflows/docker.yaml

@@ -49,8 +49,10 @@ jobs:
 
       - name: Update version
         if: "github.event_name == 'release' && github.event.action == 'published'"
+        env:
+          REF: ${{ github.event.release.tag_name }}
         run: |
-          sed -i "s/    'version' => 'canary',/    'version' => '${REF:11}',/" config/app.php
+          sed -i "s/    'version' => 'canary',/    'version' => '${REF}',/" config/app.php
 
       - name: Build and Push
         uses: docker/build-push-action@v3