Remove a trailing whitespace

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/factories/uploads.rb

@@ -27,7 +27,7 @@ FactoryBot.define do
       path { File.join(secret, filename) }
       secret SecureRandom.hex
     end
-    
+
     trait :object_storage do
       store ObjectStorage::Store::REMOTE
     end