julia_{19,110}: fix build with gcc 14 (#375959)

  enableParallelBuilding = true;

  env = lib.optionalAttrs (lib.versionOlder version "1.11") {

    NIX_CFLAGS_COMPILE = toString [

      "-Wno-error=implicit-function-declaration"

      "-Wno-error=incompatible-pointer-types"

    ];

  };

  meta = with lib; {

    description = "High-level performance-oriented dynamical language for technical computing";

    mainProgram = "julia";