Support CC `migrate-installer` path (#35717)

If we can't find CC in the PATH, we'll now fall back to a known local
install path.

Release Notes:

- N/A
3bbd32b70eAgus Zubiaga committed on 8/6/2025, 12:23:47 PM· committed by GitHubparentecd182c
3 files changedLine totals unavailable