Update notes for submitted changes

* app_dial: Expanded A option to add caller announcement

c4/236dcff28183807f0ffa478a1bd008f0ba9d05

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+1: Benjamin Keith Ford <bford@digium.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Wed, 23 Jun 2021 09:36:29 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/15925
+Project: asterisk
+Branch: refs/heads/18