tools: fix mkcodecache when run with ASAN

Fixes: https://github.com/nodejs/node/issues/32835

PR-URL: https://github.com/nodejs/node/pull/32850


Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>