Move changelog item to the relevant section

Author: eutampieri

CHANGELOG.md

@@ -12,6 +12,9 @@
   definitions are not longer generated.
   ([Louis Pilfold](https://github.com/lpil))
 
+- A warning is now emitted when the now deprecated `_ as x` pattern is used.
+  ([eutampieri](https://github.com/eutampieri))
+
 ### Build tool
 
 - `gleam update`, `gleam deps update`, and `gleam deps download` will now print
@@ -63,9 +66,6 @@
   multiple times into the same module with different aliases.
   ([Louis Pilfold](https://github.com/lpil))
 
-- A warning is now emitted when the now deprecated `_ as x` pattern is used.
-  ([eutampieri](https://github.com/eutampieri))
-
 ### Bug fixes
 
 - Fixed a bug where a bit array segment matching on a floating point number