Draft: testing/gamescope: upgrade to 3.14.0
https://github.com/ValveSoftware/gamescope/tags
- upgrade openvr to 2.2.3 https://github.com/ValveSoftware/openvr/releases
- upgrade vkroots to 2ceb105700e23842bec0e56a0a2cbd5885dfcf4b https://github.com/Joshua-Ashton/vkroots/commits/main/
First I'll just try to upgrade everything to latest.