cctag: fix failing tests with gcc13

Since GCC13 the package does not build correctly, causing the tests to
fail. This was not the case with GCC12. Instead of building it with an
older version of GCC, we can build and test it successfully with
Clang.

pkgs/top-level/all-packages.nix

@@ -20321,6 +20321,7 @@ with pkgs;
   ccrtp = callPackage ../development/libraries/ccrtp { };
 
   cctag = callPackage ../development/libraries/cctag {
+    stdenv = clangStdenv;
     tbb = tbb_2021_11;
   };