Update notes for submitted changes

* Fix garbage collection failing to delete pack file

64/b0dee98fab8dd145ea389d3d7b18d9dcaab218

@@ -0,0 +1,7 @@
+Verified+1: JGit Bot <jgit-bot@eclipse.org>
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Sat, 26 Jun 2021 14:23:47 -0400
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/182426
+Project: jgit/jgit
+Branch: refs/heads/stable-5.12