Roll Vulkan-ValidationLayers from 2cfeb90c1305 to 84b023ac4260 (3 revisions)

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers/+log/2cfeb90c1305..84b023ac4260

2025-05-24 jbolz@nvidia.com tests: Add a required coopvec type
2025-05-24 jbolz@nvidia.com tests: Cooperative vector result sign tests
2025-05-24 jbolz@nvidia.com layers: Account for signedness in coopvec types

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-validation-layers-vulkan-deps
Please CC angle-team@google.com,cnorthrop@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: cnorthrop@google.com
Change-Id: I0fc7990eee76ee69736a3194c5877625b121044c
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/6584306
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>

• DEPS[diff]
• vulkan-validation-layers/src[diff]