Squashed 'release-tools/' changes from 6613c39..4133d1d

4133d1d Merge pull request #226 from msau42/cloudbuild
8d519d2 Pin buildkit to v0.10.6 to workaround v0.11 bug with docker manifest
6e04a03 Merge pull request #224 from msau42/cloudbuild
26fdfff Update cloudbuild image

git-subtree-dir: release-tools
git-subtree-split: 4133d1d

build.make

@@ -148,7 +148,7 @@ DOCKER_BUILDX_CREATE_ARGS ?=
 $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
 	set -ex; \
 	export DOCKER_CLI_EXPERIMENTAL=enabled; \
-	docker buildx create $(DOCKER_BUILDX_CREATE_ARGS) --use --name multiarchimage-buildertest; \
+	docker buildx create $(DOCKER_BUILDX_CREATE_ARGS) --use --name multiarchimage-buildertest --driver-opt image=moby/buildkit:v0.10.6; \
 	trap "docker buildx rm multiarchimage-buildertest" EXIT; \
 	dockerfile_linux=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile ]; then echo ./$(CMDS_DIR)/$*/Dockerfile; else echo Dockerfile; fi); \
 	dockerfile_windows=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile.Windows ]; then echo ./$(CMDS_DIR)/$*/Dockerfile.Windows; else echo Dockerfile.Windows; fi); \

cloudbuild.yaml

@@ -26,7 +26,7 @@ steps:
   # The image must contain bash and curl. Ideally it should also contain
   # the desired version of Go (currently defined in release-tools/prow.sh),
   # but that just speeds up the build and is not required.
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20210917-12df099d55'
+  - name: 'gcr.io/k8s-testimages/gcb-docker-gcloud:v20230424-910a2a439d'
     entrypoint: ./.cloudbuild.sh
     env:
     - GIT_TAG=${_GIT_TAG}