Update dependency nodemailer to v8.0.8 (#28174)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [nodemailer](https://nodemailer.com/)
([source](https://redirect.github.com/nodemailer/nodemailer)) | [`8.0.7`
→ `8.0.8`](https://renovatebot.com/diffs/npm/nodemailer/8.0.7/8.0.8) |
![age](https://developer.mend.io/api/mc/badges/age/npm/nodemailer/8.0.8?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/nodemailer/8.0.7/8.0.8?slim=true)
|

---

### Release Notes

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

###
[`v8.0.8`](https://redirect.github.com/nodemailer/nodemailer/blob/HEAD/CHANGELOG.md#808-2026-05-23)

[Compare
Source](https://redirect.github.com/nodemailer/nodemailer/compare/v8.0.7...v8.0.8)

##### Bug Fixes

- enforce strict TLS for OAuth2 and Ethereal credential requests
([#&#8203;1818](https://redirect.github.com/nodemailer/nodemailer/issues/1818))
([833d6e5](https://redirect.github.com/nodemailer/nodemailer/commit/833d6e58c8b717962bbb1b23e16923cd267c3bc9))
- four listener/stream leaks in SMTP transport, connection, pool
([#&#8203;1817](https://redirect.github.com/nodemailer/nodemailer/issues/1817))
([850bb91](https://redirect.github.com/nodemailer/nodemailer/commit/850bb91bff7707ed498c1424df01c4e5b30ea14b))

</details>

---

### Configuration

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🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
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---

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