chore: add additional path for libseccomp lib

Kani on x86 for some reason cannot find libseccomp by default,
so we add additional path to the build.rs

Signed-off-by: Egor Lazarchuk <yegorlz@amazon.co.uk>
Signed-off-by: Pablo Barbáchano <pablob@amazon.com>

src/seccompiler/build.rs

@@ -2,5 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 
 fn main() {
+    println!("cargo::rustc-link-search=/usr/local/lib");
     println!("cargo::rustc-link-lib=seccomp");
 }