Log errors when listing repositories

We seem to have an issue with listing repos in the Oauth smoke test
flow. This should provide us with more context about what is going on.

internal/controlplane/handlers_repositories.go

@@ -335,6 +335,7 @@ func (s *Server) ListRemoteRepositoriesFromProvider(
 	for providerName, provider := range provs {
 		results, err := s.fetchRepositoriesForProvider(ctx, projectID, providerName, provider)
 		if err != nil {
+			zerolog.Ctx(ctx).Error().Err(err).Msgf("error listing repositories for provider %s in project %s", providerName, projectID)
 			errorProvs = append(errorProvs, providerName)
 			continue
 		}