warning Workspaces can only be enabled in private projects. warning Workspaces can only be enabled in private projects. [5/5] Building fresh packages... Done in 19.20s. yarn run v1.22.19 error Command "build:migration" not found. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. The command '/bin/sh -c yarn install && yarn build:migration' returned a non-zero code: 1