buildx failed with: ERROR: failed to solve: process "/bin/sh -c if echo \"$RELEASE_VERSION\" | grep -Eq '^v\\d+\\.\\d+\\.\\d+.*'; then export LDFLAGS=\"$LDFLAGS -X 'k8s.io/component-base/version.gitVersion=${RELEASE_VERSION}'\"; fi && CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags=\"$LDFLAGS\" -o bin/thundering-herd-scheduler ./cmd/thundering-herd-scheduler" did not complete successfully: exit code: 1