Update changelog with bugfix for discarded variable sized string segment patterns

Author: LilyRose2798

CHANGELOG.md

@@ -269,3 +269,7 @@
 - Fixed a bug where renaming a constant which is referenced in another module
   inside a guard would generate invalid code.
   ([Surya Rose](https://github.com/GearsDatapacks))
+
+- Fixed a bug where variable sized string segment patterns that are discarded
+  are not disallowed by the compiler
+  ([Lily Rose](https://github.com/LilyRose2798))