style: run mix format

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/actors/actors.ex

@@ -1310,7 +1310,9 @@ defmodule Mobilizon.Actors do
   def schedule_key_rotation(%Actor{id: actor_id} = actor, delay) do
     Cachex.put(:actor_key_rotation, actor_id, true)
 
-    Workers.Background.enqueue("actor_key_rotation", %{"actor_id" => actor.id}, schedule_in: delay)
+    Workers.Background.enqueue("actor_key_rotation", %{"actor_id" => actor.id},
+      schedule_in: delay
+    )
 
     :ok
   end

lib/mobilizon/events/participant.ex

@@ -108,7 +108,7 @@ defmodule Mobilizon.Events.Participant do
   end
 
   # No lookalike symbols
-  @symbols '6789BCDFGHJKLMNPQRTW'
+  @symbols ~c"6789BCDFGHJKLMNPQRTW"
   @symbol_count Enum.count(@symbols) - 1
   @code_length 6