Prevents this failure:
1) test creating a filter with expires_in (Pleroma.Web.MastodonAPI.FilterControllerTest)
test/pleroma/web/mastodon_api/controllers/filter_controller_test.exs:52
Assertion with == failed
code: assert response["expires_at"] == expires_at
left: "2022-01-22T18:11:12.000Z"
right: "2022-01-22T18:11:13.000Z"
stacktrace:
test/pleroma/web/mastodon_api/controllers/filter_controller_test.exs:72: (test)