Move Read permissions to refs/*

This may fix errors such as in http://go/bbid/8776299340808051185.

Bug: b/289229313
Change-Id: Ie9e7c6873433749214db1c1d241f2940dfccc6c2
Reviewed-on: https://pigweed-review.googlesource.com/c/Public-Projects/+/154290
Reviewed-by: Ted Pudlik <tpudlik@google.com>
1 file changed
tree: 417e3ef7d768b813cb4ec768be906829d2396957
  1. groups
  2. project.config