Roll vulkan-deps from 6cb5b8e60e21 to 8da5cdbde887 (6 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/6cb5b8e60e21..8da5cdbde887

Changed dependencies:
* glslang: 870c75479f..abbe466451
* spirv-tools: 7841afd98e..bd325d2984
* vulkan-loader: b383c5131e..5edd2f06d4
* vulkan-validation-layers: 70835ff23b..4bf3f07497

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 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: I1bc2e9edff1ea3ec5f674cf2d65a1033c7fafa0d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85023
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -143,7 +143,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@6cb5b8e60e2186fac52073576885ca69804b1f81',
+    'url': '{chromium_git}/vulkan-deps@8da5cdbde8871a7f70c0565878b75164f279b700',
     'condition': 'dawn_standalone',
   },