[OPS-901] Fix Secrets Versioning

- Secret version should be unix milli but was timestamp

client.go

@@ -1490,7 +1490,7 @@ func (c *ToznySDKV3) CreateSecret(ctx context.Context, secretDetails CreateSecre
 		SecretName: secretDetails.SecretName,
 	}
 	recordType := GetRecordType(recordTypeOptions)
-	timestamp := time.Now().String()
+	timestamp := fmt.Sprintf("%d", time.Now().UnixNano()/int64(time.Millisecond))
 	plain := map[string]string{
 		"secretType":  secretDetails.SecretType,
 		"secretName":  secretDetails.SecretName,