ci: pin GhosttyKit archive for ghostty 17357e12 - #18598

Bugbot Analysis Progress (1m 37s elapsed)

✅ Gathered PR context (15s)
✅ Completed bug detection (1m 21s)
✅ Posted analysis results (0s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: 03faacc6-3d70-4853-ad9d-1a2960750991