buildx failed with: ERROR: failed to solve: process "/bin/bash -o errexit -o nounset -o pipefail -c GOPROXY=\"https://proxy.golang.org,direct\" go build -ldflags \"-X github.com/vmware-tanzu/kubeapps/cmd/kubeapps-apis/cmd.version=$VERSION\" -o /kapp-controller-packages-v1alpha1-plugin.so -buildmode=plugin ./cmd/kubeapps-apis/plugins/kapp_controller/packages/v1alpha1/*.go" did not complete successfully: exit code: 1