Revert "Restrict access to release branch: release-R113 to LTS Refresher group."

This reverts commit 4ccc72b548f80c017d9e7fd537660701cdcf9546.

Reason for revert: LTS refresh merge is done

Change-Id: Iacc0986171d891868838d71f5707aff4cd9755cb
Reviewed-on: https://cos-review.googlesource.com/c/All-Projects/+/100441
Tested-by: He Gao <hegao@google.com>
Reviewed-by: Miri Amarilio <mirilio@google.com>