Use gcc 13 for intel compiler 2023

Intel compiler for C++ (icpc) is not able to parse the location of C++
headers from the output of gcc 14, but works fine for gcc 13.

Reviewed-by: Aleix Boné <abonerib@bsc.es>

pkgs/intel-oneapi/2023.nix

@@ -12,7 +12,7 @@
 , autoPatchelfHook
 , symlinkJoin
 , libfabric
-, gcc
+, gcc13
 , gcc7
 , wrapCCWith
 , linuxHeaders
@@ -30,6 +30,8 @@
 
 let
 
+  gcc = gcc13;
+
   v = {
     hpckit   = "2023.1.0";
     compiler = "2023.1.0";