chore(deps): bump nodemailer from 6.9.1 to 6.9.9 in /service (#460)

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.9.1 to 6.9.9.
- [Release notes](https://github.com/nodemailer/nodemailer/releases)
- [Changelog](https://github.com/nodemailer/nodemailer/blob/master/CHANGELOG.md)
- [Commits](nodemailer/nodemailer@v6.9.1...v6.9.9)

---
updated-dependencies:
- dependency-name: nodemailer
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

service/package.json

@@ -39,7 +39,7 @@
     "jwt-decode": "^3.1.2",
     "mongodb": "^5.9.2",
     "node-fetch": "^3.3.0",
-    "nodemailer": "^6.9.1",
+    "nodemailer": "^6.9.9",
     "request-ip": "^3.3.0",
     "socks-proxy-agent": "^7.0.0",
     "speakeasy": "^2.0.0",