Roll vulkan-deps from e7ec2c32c984 to b6677ac099fd (2 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/e7ec2c32c984..b6677ac099fd

Changed dependencies:
* vulkan-validation-layers: 454f0f4650..84788d43ee

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 bajones@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: bajones@google.com
Change-Id: Ie6d5973aa2ae060e49842841d20bb0029084c629
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/133621
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -146,7 +146,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@e7ec2c32c984c9ca76865098e8824cc532a64ec1',
+    'url': '{chromium_git}/vulkan-deps@b6677ac099fd676cb5e54f932531f5d3fc0c5d79',
     'condition': 'dawn_standalone',
   },