Roll vulkan-deps from 70e74a2f82ab to 259eec71c7c6 (3 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/70e74a2f82ab..259eec71c7c6

Changed dependencies:
* vulkan-validation-layers: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/8c0817e7e2..bea667d35c

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 jrprice@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: jrprice@google.com
Change-Id: Ifdae323d8c0b913fb69a6e4135505bba2e7f41ff
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/115620
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/DEPS b/DEPS
index 560177a..c5ef5a5 100644
--- a/DEPS
+++ b/DEPS
@@ -142,7 +142,7 @@
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@70e74a2f82ab78c71851abb4b0f2117e8ee3cc01',
+    'url': '{chromium_git}/vulkan-deps@259eec71c7c601f40d5363c5fa1fbb26f59bbcbe',
     'condition': 'dawn_standalone',
   },