buildx failed with: ERROR: failed to solve: process "/bin/sh -c GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags=\"-w -s -X 'github.com/nuts-foundation/nuts-node/core.GitCommit=${GIT_COMMIT}' -X 'github.com/nuts-foundation/nuts-node/core.GitBranch=${GIT_BRANCH}' -X 'github.com/nuts-foundation/nuts-node/core.GitVersion=${GIT_VERSION}'\" -o /opt/nuts/nuts" did not complete successfully: exit code: 1