Bump docker/build-push-action from 5.0.0 to 6.7.0 (#497)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.0.0 to 6.7.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5.0.0...v6.7.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish-docker-container-ghp.yml

@@ -52,7 +52,7 @@ jobs:
             org.opencontainers.image.title=Send Discord Webhook (GitHub Action) Image
             org.opencontainers.image.description=A Docker image for Send Discord Webhook (GitHub Action) to send Discord webhook.
       - name: "Build & Push Docker Image"
-        uses: "docker/build-push-action@v5.0.0"
+        uses: "docker/build-push-action@v6.7.0"
         with:
           context: "./"
           file: "Dockerfile"