treewide: Mass replace 'libcap}/lib' to refer the 'out' output

nixos/modules/security/apparmor-suid.nix

···
         network inet raw,
 
         ${pkgs.glibc.out}/lib/*.so mr,
-        ${pkgs.libcap}/lib/libcap.so* mr,
+        ${pkgs.libcap.out}/lib/libcap.so* mr,
         ${pkgs.attr.out}/lib/libattr.so* mr,
 
         ${pkgs.iputils}/bin/ping mixr,