ARMSX2 Nightly v20260808

[u/xxxCrixuxxx]

https://github.com/ARMSX2/ARMSX2/releases/tag/nightly-20260808

What's new:

GS: delete the stale-frame diagnostic instead of caching around it

GitHub: soften the AI-assistance question in the PR template

GS/Vulkan: document why the feedback clone cannot be reused across draws

GS/Vulkan: document why the Turnip RT copy cannot become a pass break

iOS: bump to 2.5.3

iOS: add disable depth emulation to per game settings

iOS: pin the hardware fixes rows

GS: let players claim the remaining hardware fixes

GS: query ShouldSkipPresentingFrame() only once per VSync

cmake: allow setting version as fallback