Update dependency nodemailer to v6.7.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nodemailer (source)	6.7.0 -> 6.7.1

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Release Notes

nodemailer/nodemailer

### [`v6.7.1`](https://togithub.com/nodemailer/nodemailer/blob/master/CHANGELOG.md#​671-2021-11-15) [Compare Source](https://togithub.com/nodemailer/nodemailer/compare/v6.7.0...v6.7.1) - fix verify on ses-transport (stanofsky)

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