Update notes for submitted changes

* res_pjsip_nat: Don't rewrite Contact on REGISTER responses.

97/6b1a1d7ac4dfca60e43e9f36f73510b22b23d6

@@ -0,0 +1,9 @@
+Code-Review+2: Kevin Harwell <kharwell@digium.com>
+Code-Review+1: Benjamin Keith Ford <bford@digium.com>
+Code-Review+1: George Joseph <gjoseph@digium.com>
+Verified+2: Joshua Colp <jcolp@sangoma.com>
+Submitted-by: Joshua Colp <jcolp@sangoma.com>
+Submitted-at: Wed, 03 Mar 2021 12:27:32 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/15515
+Project: asterisk
+Branch: refs/heads/18