Revert "mirrors: rsync: drop rsync11.us"

This reverts commit 1167ef4.

Looks OK now.

Bug: https://bugs.gentoo.org/962274
Signed-off-by: Sam James <sam@gentoo.org>

Author: thesamesam

files/mirrors/rsync.xml

@@ -30,6 +30,10 @@ vim: ft=xml et ts=2 sts=2 sw=2:
       <name>Rochester Institute of Technology - rsync5.us.gentoo.org</name>
       <uri protocol="rsync" ipv4="y" ipv6="y" partial="n">rsync://rsync5.us.gentoo.org</uri>
     </mirror>
+    <mirror>
+      <name>Steadfast Networks - rsync11.us.gentoo.org</name>
+      <uri protocol="rsync" ipv4="y" ipv6="y" partial="n">rsync://rsync11.us.gentoo.org</uri>
+    </mirror>
     <mirror>
       <name>Rackspace Technology - rsync31.us.gentoo.org</name>
       <uri protocol="rsync" ipv4="y" ipv6="n" partial="n">rsync://rsync31.us.gentoo.org</uri>