Update notes for submitted changes

* Silence API warning for new ObjectIdSerializer introduced in 4.11.1

2d/fc9ed6d21567a04a8ec3f98ab21ed04fc8c531

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: CI Bot
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Sat, 25 Aug 2018 03:54:59 -0400
+Reviewed-on: https://git.eclipse.org/r/128046
+Project: jgit/jgit
+Branch: refs/heads/stable-4.11