src: add node_internal.h includes for arraysize

This commit adds includes for node_internal.h in source files that use
arraysize but don't include this header. The motivation for this is to
make refactoring easier (and is the reason I noticed this).

PR-URL: https://github.com/nodejs/node/pull/19916


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>