Roll vulkan-deps from be674ea25e15 to 7946bc6c8b58 (1 revision)

https://chromium.googlesource.com/vulkan-deps.git/+log/be674ea25e15..7946bc6c8b58

Changed dependencies:
* spirv-tools: 64ba112ffb..0174dd11ff

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: I71a866f67323a13d4f3a9958d75e33a158a60124
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/118022
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -142,7 +142,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@be674ea25e15b319352b8b908604efa77c2a9edb',
+    'url': '{chromium_git}/vulkan-deps@7946bc6c8b5802792a0637bc8a016459cc84825b',
     'condition': 'dawn_standalone',
   },