format with gofumpt (#18184)

* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt

modules/session/db.go

@@ -135,7 +135,6 @@ func (p *DBProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err err
 	s, err := auth.RegenerateSession(oldsid, sid)
 	if err != nil {
 		return nil, err
-
 	}
 
 	var kv map[interface{}]interface{}