Roll vulkan-deps from cb1ab827eb4c to cb8d68df02a8 (1 revision)

https://chromium.googlesource.com/vulkan-deps.git/+log/cb1ab827eb4c..cb8d68df02a8

Changed dependencies:
* spirv-tools: fad68a7551..8f7f5024f8

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 enga@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: enga@google.com
Change-Id: I1f63ef7f4895ade737f04cd81d4f137bacbf9a7b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/93342
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -139,7 +139,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@cb1ab827eb4cbf19e0737eee34e05f6bb975f219',
+    'url': '{chromium_git}/vulkan-deps@cb8d68df02a8197bd3f9ef5f6bf2fbe865787000',
     'condition': 'dawn_standalone',
   },