chore(deps): bump docker/build-push-action from 5 to 7

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 7.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v5...v7)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish.compat.yml

@@ -57,7 +57,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build image and push to registry
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
         with:
           platforms: linux/amd64,linux/arm64
 #          cache-from: type=registry,ref=ghcr.io/chialab/php-compat:${{ matrix.version }}${{ matrix.flavor }}

.github/workflows/test.compat.yml

@@ -38,7 +38,7 @@ jobs:
           password: ${{ secrets.DOCKER_PULL_PASS_4 }}
 
       - name: Build image for testing
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
         with:
 #          cache-from: type=registry,ref=ghcr.io/chialab/php-compat:${{ matrix.version }}${{ matrix.flavor }}
           cache-to: type=inline