fix pkce code verifier length

internal/endpoints/consent/consent.go

@@ -133,15 +133,17 @@ func HandleConsentPost(ctx *fiber.Ctx) error {
 			}.Send(ctx)
 		}
 	}
-	pkceCode := pkce.NewS256PKCE(utils.RandASCIIString(32))
-	if err = db.Transact(func(tx *sqlx.Tx) error {
+	pkceCode := pkce.NewS256PKCE(utils.RandASCIIString(44))
+	if err = db.Transact(
+		func(tx *sqlx.Tx) error {
 			if err = authcodeinforepo.UpdateTokenInfoByState(
 				tx, oState, req.Restrictions, req.Capabilities, req.SubtokenCapabilities, req.Rotation, req.TokenName,
 			); err != nil {
 				return err
 			}
 			return authcodeinforepo.SetCodeVerifier(tx, oState, pkceCode.Verifier())
-	}); err != nil {
+		},
+	); err != nil {
 		log.Errorf("%s", errorfmt.Full(err))
 		return model.ErrorToInternalServerErrorResponse(err).Send(ctx)
 	}