Bump credo to 1.1.5

lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex

lib/pleroma/web/admin_api/admin_api_controller.ex

...a/web/mastodon_api/controllers/subscription_controller.ex

lib/pleroma/web/oauth/oauth_controller.ex

mix.exs

mix.lock

test/notification_test.exs

.../web/activity_pub/transmogrifier/follow_handling_test.exs

test/web/admin_api/admin_api_controller_test.exs

test/web/common_api/common_api_utils_test.exs

test/web/twitter_api/password_controller_test.exs