trafficserver: fix build w/glibc-2.34

Failing Hydra build: https://hydra.nixos.org/build/155205200

pkgs/servers/http/trafficserver/default.nix

···
 , python3
 , xz
 , zlib
+, catch2
 # recommended dependencies
 , withHwloc ? true
 , hwloc
···
       tools/check-unused-dependencies
 
     substituteInPlace configure --replace '/usr/bin/file' '${file}/bin/file'
+
+    cp ${catch2}/include/catch2/catch.hpp tests/include/catch.hpp
   '' + lib.optionalString stdenv.isLinux ''
     substituteInPlace configure \
       --replace '/usr/include/linux' '${linuxHeaders}/include/linux'