Roll vulkan-deps from 73ae3e821932 to a7760fb18903 (5 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/73ae3e821932..a7760fb18903

Changed dependencies:
* spirv-tools: b0ce31fd2d..eed5c76a57
* vulkan-validation-layers: c48c34f297..196438804b

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: I2f8de59da623994a9f48b14780b5160378acb368
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85682
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@73ae3e82193269de470fdd37a3390e643f8fe03a',
+    'url': '{chromium_git}/vulkan-deps@a7760fb18903243ab0bb0bb8fbe59b8bb4c4bf71',
     'condition': 'dawn_standalone',
   },