Update github-actions

Author: renovate[bot]

.github/workflows/build-and-push.yml

@@ -21,19 +21,19 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Log in to GHCR
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ github.token }}
 
       - name: Docker metadata
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ghcr.io/xcsoar/gettext-docker
           tags: |
@@ -43,7 +43,7 @@ jobs:
             type=sha
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile