libtins: 3.5 -> 4.0 (#38208)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/libtins/versions.

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 4.0 with grep in /nix/store/izz1bkj35g5bb6kvqa5kqgb376xhardg-libtins-4.0
- found 4.0 in filename of file in /nix/store/izz1bkj35g5bb6kvqa5kqgb376xhardg-libtins-4.0
- directory tree listing: https://gist.github.com/26990576c9472ca38b4d21613157856b

pkgs/development/libraries/libtins/default.nix

@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "libtins-${version}";
-  version = "3.5";
+  version = "4.0";
   
   src = fetchFromGitHub {
     owner = "mfontanini";
     repo = "libtins";
     rev = "v${version}";
-    sha256 = "00d1fxyg8q6djljm79ms69gcrsqxxksny3b16v99bzf3aivfss5x";
+    sha256 = "13sdqad976j7gq2k1il6g51yxwr8rlqdkzf1kj9mzhihjq8541qs";
   };
 
   postPatch = ''