ci: fix swiftshader rate limit exceeded

[Firestar99]

I've upstreamed some changes to install-vulkan-sdk-action and the maintainer made some fixes, and want to test them in our pipeline:

• Pass the github token to the action to fix timeouts: Swiftshader download timeouts jakoch/install-vulkan-sdk-action#544
  • hopefully fixes CI: swiftshader rate limit exceeded #407 once and for all
• The action now exports VK_DRIVER_FILES on its own, so we don't need to that explicitly: Export VK_DRIVER_FILES jakoch/install-vulkan-sdk-action#545
• use *-latest OS for windows and linux
  • upgrades windows-2022 to windows-2025. This seems to change vulkan driver discovery, so we need to register the driver in the windows registry.

I've asked if the registry entry could be added by the action itself: jakoch/install-vulkan-sdk-action#547

This PR also serves as a testing ground for that patch and should showcase that in some scenarios setting VK_DRIVER_FILES without formally adding the driver to the windows registry is sufficient. See jakoch/install-vulkan-sdk-action#547 for ongoing investigation. Resolved: windows-2022 is fine without registration, windows-2025 requires it though.

close #407

[eddyb]

Thanks for taking these issues up with the upstream GH action!

(had no idea about GITHUB_TOKEN, makes sense as a mechanism, but feels convoluted for what it is - or, well, it might make more sense to "just" have a more direct "delegate permissions" every time an action is invoked)

[Firestar99]

Wow, I did not expect that fail. Seems like since windows-2025, just setting VK_DRIVER_FILES is not sufficient and you actually need to register the driver in the registry.