Merge branch 'use-ci-auth-finder-to-search-for-jobs' into 'master'

Fix inconsistencies between finding jobs by tokens

See merge request gitlab-org/gitlab!42828

lib/gitlab/auth.rb

@@ -371,7 +371,7 @@ module Gitlab
       end
 
       def find_build_by_token(token)
-        ::Ci::Build.running.find_by_token(token)
+        ::Ci::AuthJobFinder.new(token: token).execute
       end
 
       def user_auth_attempt!(user, success:)