Roll vulkan-deps from 7248c680579d to 838cca34043e (6 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/7248c680579d..838cca34043e

Changed dependencies:
* glslang: cd2082e058..ef77cf3a92
* vulkan-loader: 22407d7804..011d7a4ac0
* vulkan-validation-layers: 6ab6adca3e..19477ce02f

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 bclayton@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: bclayton@google.com
Change-Id: I7dec6e52d75ffae8fe5962a9eb1dff8600fa848e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/124422
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@7248c680579d80c47e5c3783b3c356b2d000b39a',
+    'url': '{chromium_git}/vulkan-deps@838cca34043e66b7988f9151fb83141b2228f4a5',
     'condition': 'dawn_standalone',
   },