fix(deps): update dependency nodemailer to ^6.9.9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nodemailer (source)	^6.9.8 -> ^6.9.9

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Release Notes

nodemailer/nodemailer (nodemailer)

### [`v6.9.9`](https://togithub.com/nodemailer/nodemailer/blob/HEAD/CHANGELOG.md#699-2024-02-01) [Compare Source](https://togithub.com/nodemailer/nodemailer/compare/v6.9.8...v6.9.9) ##### Bug Fixes - **security:** Fix issues described in GHSA-9h6g-pr28-7cqp. Do not use eternal matching pattern if only a few occurences are expected ([dd8f5e8](https://togithub.com/nodemailer/nodemailer/commit/dd8f5e8a4ddc99992e31df76bcff9c590035cd4a)) - **tests:** Use native node test runner, added code coverage support, removed grunt ([#​1604](https://togithub.com/nodemailer/nodemailer/issues/1604)) ([be45c1b](https://togithub.com/nodemailer/nodemailer/commit/be45c1b299d012358d69247019391a02734d70af))

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