Update CHANGELOG.md

Author: sbergen

CHANGELOG.md

@@ -48,6 +48,10 @@
   in target attributes.
   ([Alexander Keleschovsky](https://github.com/AlecGhost))
 
+- Fixed a bug where a temporarily moved or removed file does not get recompiled,
+  even though its dependencies changed in the meanwhile.
+  ([Sakari Bergen](http://github.com/sbergen))
+
 ### Build tool
 
 - Include a type annotation for the `main` function generated by `gleam new`.