build(deps): bump docker/build-push-action from 6.2.0 to 6.4.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.2.0 to 6.4.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@1556069...a254f8c)

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

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

.github/workflows/container.yml

@@ -68,7 +68,7 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@15560696de535e4014efeff63c48f16952e52dd1
+        uses: docker/build-push-action@a254f8ca60a858f3136a2f1f23a60969f2c402dd
         with:
           context: .
           push: true