build(deps): bump docker/build-push-action from 6.7.0 to 6.8.0 (#5477)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.7.0 to 6.8.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/5cd11c3a4ced054e52742c5fd54dca954e0edd85...32945a339266b759abcbdc89316275140b0fc960)

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

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

.github/workflows/companion-deploy.yml

@@ -63,7 +63,7 @@ jobs:
           username: ${{secrets.DOCKER_USERNAME}}
           password: ${{secrets.DOCKER_PASSWORD}}
       - name: Build and push
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
+        uses: docker/build-push-action@32945a339266b759abcbdc89316275140b0fc960 # v6.8.0
         with:
           push: true
           context: .

.github/workflows/release.yml

@@ -159,7 +159,7 @@ jobs:
           username: ${{secrets.DOCKER_USERNAME}}
           password: ${{secrets.DOCKER_PASSWORD}}
       - name: Build and push
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
+        uses: docker/build-push-action@32945a339266b759abcbdc89316275140b0fc960 # v6.8.0
         with:
           push: true
           context: .