build: allow clang 10+ in configure.py

Detected on NetBSD/amd64.

Fixes: https://github.com/nodejs/node/issues/29536

PR-URL: https://github.com/nodejs/node/pull/29541


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>