Update notes for submitted changes

* Upgrade ecj to 3.22.0

b2/e260e61830030997adab9acf7e28141dfd0f5d

+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: Thu, 18 Jun 2020 17:35:58 -0400
+Reviewed-on: https://git.eclipse.org/r/165124
+Project: jgit/jgit
+Branch: refs/heads/master