Bump nodemailer from 6.8.0 to 6.9.9

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.8.0 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@v6.8.0...v6.9.9)

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

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

Author: dependabot[bot]

yarn.lock

@@ -6283,9 +6283,9 @@ node-releases@^2.0.6:
   integrity sha512-PiVXnNuFm5+iYkLBNeq5211hvO38y63T0i2KKh2KnUs3RpzJ+JtODFjkD8yjLwnDkTYF1eKXheUwdssR+NRZdg==
 
 nodemailer@^6.7.5:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.8.0.tgz#804bcc5256ee5523bc914506ee59f8de8f0b1cd5"
-  integrity sha512-EjYvSmHzekz6VNkNd12aUqAco+bOkRe3Of5jVhltqKhEsjw/y0PYPJfp83+s9Wzh1dspYAkUW/YNQ350NATbSQ==
+  version "6.9.9"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.9.tgz#4549bfbf710cc6addec5064dd0f19874d24248d9"
+  integrity sha512-dexTll8zqQoVJEZPwQAKzxxtFn0qTnjdQTchoU6Re9BUUGBJiOy3YMn/0ShTW6J5M0dfQ1NeDeRTTl4oIWgQMA==
 
 nopt@^5.0.0:
   version "5.0.0"