Merge pull request #339 from FlowFuse/dependabot/github_actions/docker/build-push-action-6.12.0

Bump docker/build-push-action from 6.11.0 to 6.12.0

Author: ppawlowski

.github/workflows/release-publish.yml

@@ -42,7 +42,7 @@ jobs:
           username: flowfuse
           password: ${{ secrets.DOCKER_HUB_PASSWORD }}
       - name: Build and push FlowFuse Device Agent container
-        uses: docker/build-push-action@v6.11.0
+        uses: docker/build-push-action@v6.12.0
         with:
           context: docker
           file: docker/Dockerfile
@@ -94,7 +94,7 @@ jobs:
           username: flowforge
           password: ${{ secrets.DOCKER_HUB_PASSWORD_FLOWFORGE }}
       - name: Build and push FlowFuse Device Agent container
-        uses: docker/build-push-action@v6.11.0
+        uses: docker/build-push-action@v6.12.0
         with:
           context: docker
           file: docker/Dockerfile_flowforge