build: make benchmark/napi all prereq order-only

This commit makes the all prerequisites order-only to prevent this
target's rules to be executed every time which is currently the case as
the all target is a phony target and will be executed every time.

PR-URL: https://github.com/nodejs/node/pull/23951


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>