As `getRepoBaseDir()` relies on git, it should be a method on `GitClient` for retrieval
rather than its own utility outside of the common GitClient used for all git ineractions.
PR Close#41527
This commit adds a new command to the `ng-dev` suite, which verifies that the NgBot YAML config is
correct. It also adds this command to the `lint` CircleCI job so that we execute this check while
running CI.
This should help prevent syntax errors similar to the one introduced in:
393ce5574b
PR Close#39071