Daniel Lo Nigro a32f857ac7 Use --frozen-lockfile for Yarn in CI build (#12914) ... CI builds should always use the `--frozen-lockfile` option. It will fail the build if the lockfile is out-of-date: > If you need reproducible dependencies, which is usually the case with the continuous integration systems, you should pass --frozen-lockfile flag. (https://yarnpkg.com/en/docs/cli/install/)		2018-05-28 19:52:42 +01:00
..
config.yml	Use --frozen-lockfile for Yarn in CI build (#12914)	2018-05-28 19:52:42 +01:00