Roll vulkan-deps from 9ed0219175ec to ff63966203ee (6 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/9ed0219175ec..ff63966203ee

Changed dependencies:
* vulkan-loader: c3eb97de22..50df6bc578
* vulkan-validation-layers: c50cd18fac..8b2cdce023

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 kainino@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: kainino@google.com
Change-Id: Iedb4f9c2b0621f9e8f239ac7961f7249012a28b2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/126560
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -142,7 +142,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@9ed0219175ec1d2dffaee6727e74eb42c52ed1e5',
+    'url': '{chromium_git}/vulkan-deps@ff63966203eed992034645fcc9091a5c4a2f220e',
     'condition': 'dawn_standalone',
   },