test: address unreliable test-performance

test-performance can fail due to resource constraints. Move it from
parallel to sequential so it does not compete with other tests for
resources.

Fixes: nodejs#19197

PR-URL: nodejs#19228
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>