Update docker/build-push-action action to v6.9.0

Author: renovate-bot

.github/workflows/test-buildenv-l1-container.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - name: Build docker container
         id: build
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
+        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
         with:
           context: "."
           file: "build-container/test-buildenv.dockerfile"

.github/workflows/test-buildenv-l2-container.yml

@@ -40,7 +40,7 @@ jobs:
 
       - name: Build docker container
         id: build
-        uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
+        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
         with:
           context: "."
           file: "build-container/test-buildenv.dockerfile"