chore(deps-dev): bump @types/nodemailer from 6.4.14 to 6.4.15 (#285)

Bumps [@types/nodemailer](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/nodemailer) from 6.4.14 to 6.4.15.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/nodemailer)

---
updated-dependencies:
- dependency-name: "@types/nodemailer"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

apps/api/package.json

@@ -93,7 +93,7 @@
     "@types/jest": "^29.5.12",
     "@types/luxon": "^3.4.2",
     "@types/node": "20.12.12",
-    "@types/nodemailer": "^6.4.14",
+    "@types/nodemailer": "^6.4.15",
     "@types/supertest": "^6.0.2",
     "@ufb/eslint-config": "workspace:*",
     "@ufb/prettier-config": "workspace:*",