feat(codspeed): build with optimizations

Author: not-matthias

crates/codspeed/build.rs

@@ -30,7 +30,7 @@ fn main() {
         .flag_if_supported("-Wno-maybe-uninitialized")
         .warnings(false)
         .extra_warnings(false)
-        .cargo_warnings(false);
+        .opt_level(3);
 
     let result = build.try_compile("instrument_hooks");
     match result {