Add DNS resolution caching using dnscache.Resolver{}#9

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vsouza wants to merge 2 commits intoglobocom:mainfrom

Commits on Nov 7, 2024

implementing DNS Cache with rs/dnscache lib. Create transport function to use in httpclient
vsouza
committed

Commits on Jan 30, 2025

control ticker goroutine with a select stmt and implement defer to ensure that channel will be closed
vsouza
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