Update notes for submitted changes

* RepoCommand: Retry commit on LockFailure

c5/9626ad7a06d47dcf6c223d0c8ceaec2e63e276

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Wed, 26 May 2021 18:13:24 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/180949
+Project: jgit/jgit
+Branch: refs/heads/master