games/moonlight-qt: Update 6.1.0 => 6.2.0

Changelog:
https://github.com/moonlight-stream/moonlight-qt/releases/tag/v6.2.0

PR: 299176
Security: CVE-2026-33546
Security: CVE-2026-33547
Security: CVE-2026-41210
Sponsored by: UNIS Labs (vvd, commit patch)
MFH: 2026Q4

(cherry picked from commit 167b6e7b7fb0e343c1b96c5517e53711adcf15ea)