Update notes for submitted changes

* res_http_media_cache.c: Set reasonable number of redirects

0c/185c9e21f7f0bd9c9f7a1a1cda8f33e12c2a2a

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+1: Kevin Harwell <kharwell@digium.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, 09 Dec 2020 13:04:36 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/15207
+Project: asterisk
+Branch: refs/heads/16