ci: enable gocognit (#9359)

And, bring the server under 300:

* Removed the undocumented "disable" STUN address in favor of the
--disable-direct flag.

coderd/database/dbfake/dbfake.go

@@ -6053,7 +6053,6 @@ func (q *FakeQuerier) GetTemplateUserRoles(_ context.Context, id uuid.UUID) ([]d
 	return users, nil
 }
 
-//nolint:gocyclo
 func (q *FakeQuerier) GetAuthorizedWorkspaces(ctx context.Context, arg database.GetWorkspacesParams, prepared rbac.PreparedAuthorized) ([]database.GetWorkspacesRow, error) {
 	if err := validateDatabaseType(arg); err != nil {
 		return nil, err