fix: only support x86_64

Author: not-matthias

crates/codspeed/build.rs

@@ -8,6 +8,11 @@ fn main() {
         return;
     }
 
+    if cfg!(not(target_arch = "x86_64")) {
+        // The instrument-hooks library is only supported on x86_64.
+        return;
+    }
+
     let mut build = cc::Build::new();
     build
         .flag("-std=c11")