switch otel-zig dependency to maintained fork
original repo (ibd1279/otel-zig) has single maintainer and 3.5 months
of inactivity. forking to zzstoatzz/otel-zig ensures we can apply
0.16 updates when needed.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>