Permit the index creation to run concurrently

changelog.d/migration-fix.skip

@@ -0,0 +1 @@
+

priv/repo/migrations/20220527134341_add_quote_url_index_to_objects.exs

@@ -6,6 +6,11 @@ defmodule Pleroma.Repo.Migrations.AddQuoteUrlIndexToObjects do
   use Ecto.Migration
 
   def change do
-    create_if_not_exists(index(:objects, ["(data->'quoteUrl')"], name: :objects_quote_url))
+    create_if_not_exists(
+      index(:objects, ["(data->'quoteUrl')"],
+        name: :objects_quote_url,
+        concurrently: true
+      )
+    )
   end
 end