chore(deps): bump docker/build-push-action from 5 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/publish-prerelease-docker.yaml

@@ -123,7 +123,7 @@ jobs:
 
       - name: Build and push http-server to GHCR
         if: steps.check-build-and-push.outputs.enable == 'true' && steps.check-ghcr.outputs.enable == 'true'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: apps/http-server/app/Dockerfile
@@ -134,7 +134,7 @@ jobs:
 
       - name: Build and push http-server to DockerHub
         if: steps.check-build-and-push.outputs.enable == 'true' && steps.dockerhub.outputs.dockerhub-publish == '1'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: apps/http-server/app/Dockerfile
@@ -145,7 +145,7 @@ jobs:
 
       - name: Build and push quantel-http-transformer-proxy to GHCR
         if: steps.check-build-and-push.outputs.enable == 'true' && steps.check-ghcr.outputs.enable == 'true'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: apps/quantel-http-transformer-proxy/app/Dockerfile
@@ -156,7 +156,7 @@ jobs:
 
       - name: Build and push quantel-http-transformer-proxy to DockerHub
         if: steps.check-build-and-push.outputs.enable == 'true' && steps.dockerhub.outputs.dockerhub-publish == '1'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: apps/quantel-http-transformer-proxy/app/Dockerfile