Merge pull request 'Fix cached session bug' (#8) from sso-fix into main

Reviewed-on: https://git.ts.mattnite.net/mattnite/forgejo-tickets/pulls/8

internal/auth/store.go

@@ -126,6 +126,7 @@ func (s *PGStore) Save(r *http.Request, w http.ResponseWriter, session *sessions
 	}
 
 	result := s.db.Where("token = ?", session.ID).Assign(models.Session{
+		UserID:    userID,
 		Data:      buf.Bytes(),
 		ExpiresAt: expiresAt,
 	}).FirstOrCreate(&dbSession)