Update notes for submitted changes

* res_http_media_cache: Do not crash when there is no extension

6d/cb9080255b1adb932048a35f81a3a045a35646

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+1: Sean Bright <sean@seanbright.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: George Joseph <gjoseph@digium.com>
+Submitted-by: George Joseph <gjoseph@digium.com>
+Submitted-at: Wed, 04 Jan 2023 05:16:33 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/19760
+Project: asterisk
+Branch: refs/heads/18