build(deps): bump nodemailer from 6.9.15 to 6.9.16

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.9.15 to 6.9.16.
- [Release notes](https://github.com/nodemailer/nodemailer/releases)
- [Changelog](https://github.com/nodemailer/nodemailer/blob/master/CHANGELOG.md)
- [Commits](nodemailer/nodemailer@v6.9.15...v6.9.16)

---
updated-dependencies:
- dependency-name: nodemailer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -75,7 +75,7 @@
     "mongoose": "^8.7.3",
     "morgan": "^1.10.0",
     "multer": "^1.4.5-lts.1",
-    "nodemailer": "^6.9.15",
+    "nodemailer": "^6.9.16",
     "nodemon": "^3.1.7",
     "object-path": "^0.11.8",
     "passport": "^0.7.0",