Previously by default GitClient would log the commands it was executing at the
INFO level. This change moves the default level of this logging to DEBUG, while
still allowing callers of the methods to set the log level back to INFO.
PR Close#41899
Remove the getBaseDir method from GitClient as the baseDir is determined
once during construction and does not need to be rediscovered. The property
access should always be used.
PR Close#41898
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
