Roll DirectX Shader Compiler from 9021cae50ba9 to af0b809140d4 (3 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/9021cae50ba9..af0b809140d4

2023-07-20 jbatista@microsoft.com Error out if two blobs compiled with different compiler versions are linked. (#5361)
2023-07-20 python3kgae@outlook.com [lit] allow hcttest file-check to run on lit. (#5393)
2023-07-20 dnovillo@google.com Update SPIRV-Tools and SPIRV-Headers to current release candidate versions (#5439)

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 lokokung@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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
Tbr: lokokung@google.com
Change-Id: I19b5d7da8306e453fda197c989fd4f88a2b086bb
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/142460
Kokoro: Kokoro <noreply+kokoro@google.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 546c345..1d3e76f 100644
--- a/DEPS
+++ b/DEPS
@@ -173,7 +173,7 @@
   },
 
   'third_party/dxc': {
-    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@9021cae50ba9d216ea216a9f749e220c1c439010',
+    'url': '{chromium_git}/external/github.com/microsoft/DirectXShaderCompiler@af0b809140d45c5e56b13a11598a452bc2ed3b20',
   },
   'third_party/dxheaders': {
     # The non-Windows build of DXC depends on DirectX-Headers, and at a specific commit (not ToT)