Update notes for submitted changes

* GPG: handle extended private key format

bd/c48aeac756cc0471618b06d793083e63109ee0

@@ -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: Fri, 19 Feb 2021 20:10:00 -0500
+Reviewed-on: https://git.eclipse.org/r/c/jgit/jgit/+/175332
+Project: jgit/jgit
+Branch: refs/heads/master