fixup! feat(const_eval): impl. abs with new component_wise_scalar

Author: ErichDonGubler

CHANGELOG.md

@@ -39,6 +39,8 @@ Bottom level categories:
 
 ## Unreleased
 
+### New features
+
 - Many numeric built-ins have had a constant evaluation implementation added for them, which allows them to be used in a `const` context:
     - [#4879](https://github.com/gfx-rs/wgpu/pull/4879) by @ErichDonGubler:
         - `abs`