Roll DirectX Shader Compiler from 4c613aa6d539 to 23a15c54a15c (2 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/4c613aa6d539..23a15c54a15c

2025-12-16 ychoi0407@gmail.com [SPIR-V] Support  `asdouble()` for `uint3` argument type. (#7965)
2025-12-15 53908460+SteveUrquhart@users.noreply.github.com [SPIR-V] Create ResourceHeap when directly returned (#8006)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/directx-shader-compiler-dawn
Please CC senorblanco@google.com,webgpu-developers@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in DirectX Shader Compiler: https://github.com/microsoft/DirectXShaderCompiler/issues/new/choose
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: senorblanco@google.com
Change-Id: Ica7f1733dc05a717cdade44c793bf55ecfdb8fe9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/280716
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

Author: Dawn Autoroller

DEPS

@@ -355,7 +355,7 @@ deps = {
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@4c613aa6d539e1dd3a42d6fe8b9d538e8f95d685',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@23a15c54a15ccc6e171f51e1a7d2593cfd17cca2',
   },
 
   'third_party/dxheaders': {