Roll vulkan-deps from e623f608cbf3 to 6dd4b0a4630b (1 revision)

https://chromium.googlesource.com/vulkan-deps.git/+log/e623f608cbf3..6dd4b0a4630b

Changed dependencies:
* vulkan-validation-layers: b87209ca72..87a34603c5

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 rharrison@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: rharrison@google.com
Change-Id: I3e283a30a0d85843a0835b48a3bc034d0dc173b4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/100421
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -139,7 +139,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@e623f608cbf37ee753b3abb9d55b9540506edde6',
+    'url': '{chromium_git}/vulkan-deps@6dd4b0a4630bb70cbcaf1f116074dc671f2ab4d8',
     'condition': 'dawn_standalone',
   },