test: increase coverage for dns.promises.lookup()

Add coverage for uv_getaddrinfo() returning an error.

PR-URL: https://github.com/nodejs/node/pull/27299


Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>