Update changelog

Author: Gerrit0

CHANGELOG.md

@@ -4,6 +4,11 @@
 
 - TypeDoc's `--pretty` option now also controls whether generated HTML contains line breaks, #2287.
 - Optimized icon caching to reduce file size in generated HTML documentation, #2287.
+- Added `MarkdownEvent.INCLUDE` for plugins, #2284.
+
+### Thanks!
+
+- @krisztianb
 
 ## v0.24.7 (2023-05-08)