build(deps): bump nodemailer from 8.0.11 to 9.0.0 (#296)

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 8.0.11 to 9.0.0.
- [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/v8.0.11...v9.0.0)

---
updated-dependencies:
- dependency-name: nodemailer
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@actions/core": "^3.0.1",
     "@actions/glob": "^0.7.0",
-    "nodemailer": "^8.0.11",
+    "nodemailer": "^9.0.0",
     "showdown": "^2.1.0"
   }
 }