Roll vulkan-deps from 969451385cab to a2f18114f866 (5 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/969451385cab..a2f18114f866

Changed dependencies:
* spirv-tools: 0ce36ad785..a525dccbe8
* vulkan-validation-layers: ba3336fb8c..da863a2fc1

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

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: alanbaker@google.com
Change-Id: Ia8275f3396fc1aa978895892ef0b7f4548a4418a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/131040
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -146,7 +146,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@969451385cab3f920c331e7529aaec08abec319b',
+    'url': '{chromium_git}/vulkan-deps@a2f18114f8665c2bf543aeddd560e6f00c8c03a9',
     'condition': 'dawn_standalone',
   },