fix(build): publish to ghcr

Author: DennisOSRM

.github/workflows/osrm-frontend-docker.yml

@@ -2,7 +2,7 @@ name: Publish frontend
 
 on:
   push:
-    branches: [main]
+    branches: [gh-pages]
 
 jobs:
   build-and-push:
@@ -12,15 +12,15 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: docker/login-action@v3
+      - uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: docker/build-push-action@v6
+      - uses: docker/build-push-action@v7
         with:
           context: .
           file: ./docker/Dockerfile