Update notes for submitted changes

* res_http_media_cache.c: Set reasonable number of redirects

f3/9d5ea7cdd142ea8782d690022a1415c9b2411b

@@ -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 13:04:51 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/15193
+Project: asterisk
+Branch: refs/heads/18