func (sc *SecretManagerClient) UpdateConfigTrustBundle(trustBundle []byte) error {
	sc.configTrustBundleMutex.Lock()
	if bytes.Equal(sc.configTrustBundle, trustBundle) {
		cacheLog.Debugf("skip for same trust bundle")
		sc.configTrustBundleMutex.Unlock()
		return nil
	}
	sc.configTrustBundle = trustBundle
	sc.configTrustBundleMutex.Unlock()
	cacheLog.Debugf("update new trust bundle")