graphics/vulkan-caps-viewer: unbreak fetch due to tag update

> Fetched file size mismatch (expected 2085943, actual 2087774)

https://github.com/KhronosGroup/Vulkan-Headers/commit/4f51aac14f65
(cherry picked from commit cba05f87ba4f870fa6b5df47d69371e06e75204f)