feat(@vates/cached-dns.lookup): small DNS cache

[julien-f]

See https://xcp-ng.org/forum/topic/5775/dns-queries-during-backup-job

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[fbeauchamp]

Would it be possible to patch dns.lookup directly in the module ? That way we will have a centralized point if we need to enabled / disable the caching depending on the os / node version

[julien-f]

Would it be possible to patch dns.lookup directly in the module ? That way we will have a centralized point if we need to enabled / disable the caching depending on the os / node version

Do you mean, by adding a dedicated function like createCachedLookup().patchGlobal()?