build(deps): bump docker/build-push-action from 5 to 6 (#656)

Author: dependabot[bot]

.github/workflows/test-deployment.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build runner-manager image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: false