build: add build flag for OSS-Fuzz integration

Refs: https://github.com/google/oss-fuzz/pull/3860
Fixes: https://github.com/nodejs/node/issues/33724

PR-URL: https://github.com/nodejs/node/pull/34761
Fixes: https://github.com/nodejs/node/issues/33724


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rich Trott <rtrott@gmail.com>