Update changelog

CHANGELOG.md

 
+<a name="v3.50.0"></a>
+## [v3.50.0] - 2023-05-24
+### Add Features
+- new datetimeformat
+
+### Changes
+- update and format
+
+
 <a name="v3.49.0"></a>
 ## [v3.49.0] - 2023-05-07
 ### Changes
@@ -635,6 +644,7 @@
 <a name="1.8.0"></a>
 ## 1.8.0 - 2021-08-15
 
+[v3.50.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.49.0...v3.50.0
 [v3.49.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.48.0...v3.49.0
 [v3.48.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.47.0...v3.48.0
 [v3.47.0]: https://gitlab.schukai.com/oss/libraries/javascript/monster/compare/v3.46.0...v3.47.0