Update src/compliance to point to main branches instead of release. BUG=b/245375131 TEST=None RELEASE_NOTE=None Change-Id: I8935086c5c6725957152666251e638f643567e1c Reviewed-on: https://cos-review.googlesource.com/c/cos/manifest/+/36868 Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com> Tested-by: Arnav Kansal <rnv@google.com>