Add weblate-bot

Change-Id: I861ec1df6e7dd575891cb829ea9e6b7e5f88e397
diff --git a/config_avatars.php b/config_avatars.php
index 8d187e5..ab7eb0d 100644
--- a/config_avatars.php
+++ b/config_avatars.php
@@ -4,6 +4,7 @@
   'avm99963' => 'https://www.avm99963.com/images/avatar.jpg',
   'ccbot' => 'https://gerrit-avatars.avm99963.com/img/webmaster.png',
   'zuul' => 'https://gerrit-avatars.avm99963.com/img/zuul.svg',
+  'weblate-bot' => 'https://gerrit-avatars.avm99963.com/img/weblate-bot.svg',
   // Add your avatar above this line!
 ];