feat: migrate to Zig 0.16 - #11

Bugbot Analysis Progress (5m 47s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (5m 43s)
✅ Posted analysis results (3s)

Final Result: Bugbot completed review - no new issues found. 1 previously reported issue remain unresolved.

Request ID: serverGenReqId_9a6aad32-2bdb-4f56-9e47-59fe1b1da67e