Roll vulkan-deps from 02b24470f12b to bc68bad4a65c (3 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/02b24470f12b..bc68bad4a65c

Changed dependencies:
* vulkan-headers: b7a86d3b2b..974db1cede
* vulkan-loader: 2eb6cc62e6..6c7b2db415
* vulkan-tools: c4839afe75..ec541c410e

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 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: I003c495c4a5a672fc2bca2e4097d86c7ecc8ea7b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110720
Kokoro: Kokoro <noreply+kokoro@google.com>
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@02b24470f12bf66674847438636e3a3d157a8bcb',
+    'url': '{chromium_git}/vulkan-deps@bc68bad4a65c4883d65c700696aa3b0aa2698890',
     'condition': 'dawn_standalone',
   },