Bump docker/build-push-action from 6.4.0 to 6.4.1

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.4.0 to 6.4.1.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v6.4.0...v6.4.1)

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

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

.github/workflows/update-image-on-push.yml

@@ -45,7 +45,7 @@ jobs:
         run: echo "::set-output name=tag::$(awk -F "=" '/P2POOL_BRANCH=/ {print $2}' Dockerfile)"
       - 
         name: Build and push to Docker Hub and GitHub Packages Docker Registry
-        uses: docker/build-push-action@v6.4.0
+        uses: docker/build-push-action@v6.4.1
         id: docker_build_push
         with:
           push: true