Merge pull request #1986 from ConnorJC3/fixprow129

[release-1.29] Hardcode buildkit verison to 0.12.5

Author: k8s-ci-robot

hack/e2e/ecr.sh

@@ -29,7 +29,7 @@ function ecr_build_and_push() {
   # Only setup buildx builder on Prow, allow local users to use docker cache
   if [ -n "${PROW_JOB_ID:-}" ]; then
     trap "docker buildx rm ebs-csi-multiarch-builder" EXIT
-    docker buildx create --bootstrap --use --name ebs-csi-multiarch-builder
+    docker buildx create --driver-opt=image=moby/buildkit:v0.12.5 --bootstrap --use --name ebs-csi-multiarch-builder
     docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
   fi
 

hack/prow.sh

@@ -32,7 +32,7 @@ loudecho "Set up Docker Buildx"
 # and https://github.com/kubernetes-csi/csi-release-tools/blob/master/build.make#L132
 export DOCKER_CLI_EXPERIMENTAL=enabled
 trap "docker buildx rm multiarchimage-buildertest" EXIT
-docker buildx create --bootstrap --use --name multiarchimage-buildertest
+docker buildx create --driver-opt=image=moby/buildkit:v0.12.5 --bootstrap --use --name multiarchimage-buildertest
 
 loudecho "Set up QEMU"
 # See https://github.com/docker/setup-qemu-action