fix(desktop): retry a timed-out Windows update signature check once (#21273)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Julius Marminge <julius0216@outlook.com>
369826946aVictor Vogel committed on 10/20/2026, 4:55:19 AM· committed by GitHubparentb178359
2 files changedLine totals unavailable