buildx failed with: ERROR: failed to solve: process "/bin/sh -c CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags=\"-X 'main.appVersion=${APP_VERSION}' -X 'main.buildTime=${BUILD_TIME}' -X 'main.gitCommit=${GIT_COMMIT}'\" -a -o wg-ui ." did not complete successfully: exit code: 2