move changelog description under different heading

Author: matthew-wong1

CHANGELOG.md

@@ -142,7 +142,6 @@ By @ErichDonGubler in [#6456](https://github.com/gfx-rs/wgpu/pull/6456), [#6148]
 - Add support for OpAtomicCompareExchange in SPIR-V frontend. By @schell in [#6590](https://github.com/gfx-rs/wgpu/pull/6590).
 - Implement type inference for abstract arguments to user-defined functions. By @jamienicol in [#6577](https://github.com/gfx-rs/wgpu/pull/6577).
 - Allow for override-expressions in array sizes. By @KentSlaney in [#6654](https://github.com/gfx-rs/wgpu/pull/6654).
-- Change multiplication between two i32 variables to wrap on overflow to match WGSL spec. By @matthew-wong1 in [#6835](https://github.com/gfx-rs/wgpu/pull/6835)
 
 #### General
 
@@ -158,6 +157,7 @@ By @ErichDonGubler in [#6456](https://github.com/gfx-rs/wgpu/pull/6456), [#6148]
 - Show types of LHS and RHS in binary operation type mismatch errors. By @ErichDonGubler in [#6450](https://github.com/gfx-rs/wgpu/pull/6450).
 - The GLSL parser now uses less expressions for function calls. By @magcius in [#6604](https://github.com/gfx-rs/wgpu/pull/6604).
 - Add a note to help with a common syntax error case for global diagnostic filter directives. By @e-hat in [#6718](https://github.com/gfx-rs/wgpu/pull/6718)
+- Change multiplication between two i32 variables to wrap on overflow to match WGSL spec. By @matthew-wong1 in [#6835](https://github.com/gfx-rs/wgpu/pull/6835).
 
 #### General