chore(deps-dev): bump @types/nodemailer from 6.4.1 to 6.4.2 (#2582)

Bumps [@types/nodemailer](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/nodemailer) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/nodemailer)

Signed-off-by: dependabot[bot] <support@github.com>

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

package.json

@@ -72,7 +72,7 @@
     "@types/node": "^15.6.1",
     "@types/node-fetch": "^2.5.10",
     "@types/node-notifier": "^8.0.0",
-    "@types/nodemailer": "^6.4.1",
+    "@types/nodemailer": "^6.4.2",
     "@types/redis": "^2.8.28",
     "@types/sinon": "^10.0.0",
     "@types/twitter": "^1.7.0",