feat: Authors feature backend (and upgraded deprecated mods)

test/update_http_test.go

@@ -63,6 +63,7 @@ func newUpdateHarness(t *testing.T, running string) *updateHarness {
 	container := &api.UseCases{
 		Token:                  token,
 		GetUserUseCase:         useCases.NewGetUserUseCase(users),
+		GetMyAuthorUseCase:     useCases.NewGetMyAuthorUseCase(plainAuthors()),
 		GetUpdateStatusUseCase: newUpdateStatusUseCase(store, &fakeJobStore{}, &fakeHelperDetector{}, running),
 		CheckForUpdateUseCase:  useCases.NewCheckForUpdateUseCase(feed, store, running, now, discardRecorder),
 	}