bump minimum_zig_version

Author: snorm-dev

build.zig.zon

@@ -8,7 +8,7 @@
     // This field is optional.
     // This is currently advisory only; Zig does not yet do anything
     // with this value.
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.16.0",
 
     // This field is optional.
     // Each dependency must either provide a `url` and `hash`, or a `path`.