feat: add logging for mailchimp

[ericssontadashi]

closes #1910

Logs examples: {"timeTaken":214,"method":"isChimpUser","url":"https://us5.api.mailchimp.com/3.0/lists/64f6e3fd11/members/email","status":401} {"timeTaken":225,"method":"addSubscriber","url":"https://us5.api.mailchimp.com/3.0/lists/64f6e3fd11/members/","status":401} {"timeTaken":428,"method":"updateSubscriber","url":"https://us5.api.mailchimp.com/3.0/lists/64f6e3fd11/members/email/tags","status":401} {"timeTaken":867,"method":"blogSubscribe"}

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[hugomrdias]

you should probably use https://github.com/nftstorage/nft.storage/blob/main/packages/api/src/utils/logs.js to get these in logtail and not console.log

[ericssontadashi]