update to Zig 0.16.0-dev.1204+389368392

Author: Techatrix

.github/workflows/main.yml

@@ -22,8 +22,6 @@ jobs:
 
       - name: Setup Zig
         uses: mlugg/setup-zig@v2
-        with:
-          version: 0.15.2
 
       - name: Check Formatting
         run: zig fmt --ast-check --check .