fix(deps): update dependency nodemailer to v6.9.8 (#174)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [nodemailer](https://nodemailer.com/)
([source](https://togithub.com/nodemailer/nodemailer)) | [`6.9.7` ->
`6.9.8`](https://renovatebot.com/diffs/npm/nodemailer/6.9.7/6.9.8) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/nodemailer/6.9.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/nodemailer/6.9.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/nodemailer/6.9.7/6.9.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/nodemailer/6.9.7/6.9.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>nodemailer/nodemailer (nodemailer)</summary>

###
[`v6.9.8`](https://togithub.com/nodemailer/nodemailer/blob/HEAD/CHANGELOG.md#698-2023-12-30)

[Compare
Source](https://togithub.com/nodemailer/nodemailer/compare/v6.9.7...v6.9.8)

##### Bug Fixes

- **punycode:** do not use native punycode module
([b4d0e0c](https://togithub.com/nodemailer/nodemailer/commit/b4d0e0c7cc4b15bc4d9e287f91d1bcaca87508b0))

</details>

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