docs: undici 100
docs: undici 100

PR-URL: https://github.com/tapjs/node-tap/pull/675
Credit: da39a3ee5e6b4b0d3255bfef95601890afd80709@ronag
Close: #675
Reviewed-by: da39a3ee5e6b4b0d3255bfef95601890afd80709@isaacs

evanlucas/node-tap,evanlucas/node-tap