Merge branch 'bump-mastoapi' into 'develop'

Bump Mastodon API level

See merge request pleroma/pleroma!1146

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -178,7 +178,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  @mastodon_api_level "2.6.5"
+  @mastodon_api_level "2.7.2"
 
   def masto_instance(conn, _params) do
     instance = Config.get(:instance)