Update CHANGELOG.md

Author: Hexer10

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.3.8
+- Simplify Playlist ID matching logic by @khaled-0 in https://github.com/Hexer10/youtube_explode_dart/pull/316
+- Fix Parsing JSON response for shorts by @JorWo in https://github.com/Hexer10/youtube_explode_dart/pull/313
+- Added if-null check for playlist video count by @codedbycurtis in https://github.com/Hexer10/youtube_explode_dart/pull/317
+- Fixes for JSEngine.
+
 ## 2.3.7
 - Fixes JSON parsing for shorts data