Bump nodemailer from 6.4.4 to 6.4.5

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.4.4 to 6.4.5.
- [Release notes](https://github.com/nodemailer/nodemailer/releases)
- [Changelog](https://github.com/nodemailer/nodemailer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodemailer/nodemailer/compare/v6.4.4...v6.4.5)

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

package.json

@@ -40,7 +40,7 @@
     "ip-sub": "^1.0.5",
     "js-yaml": "^3.13.1",
     "kafka-node": "^5.0.0",
-    "nodemailer": "^6.4.4",
+    "nodemailer": "^6.4.5",
     "path": "^0.12.7",
     "restify": "^8.5.1",
     "rpki-validator": "^1.0.12",