Bump nodemailer from 6.9.14 to 6.9.15

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.9.14 to 6.9.15.
- [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/v6.9.14...v6.9.15)

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

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

package.json

@@ -23,7 +23,7 @@
     "express": "^4.19.2",
     "joi": "^17.13.3",
     "mongoose": "^8.6.0",
-    "nodemailer": "^6.9.14",
+    "nodemailer": "^6.9.15",
     "speakeasy": "^2.0.0",
     "ts-md5": "^1.3.1"
   },

yarn.lock

@@ -1512,10 +1512,10 @@ node-fetch@^2.6.7:
   dependencies:
     whatwg-url "^5.0.0"
 
-nodemailer@^6.9.14:
-  version "6.9.14"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.14.tgz#845fda981f9fd5ac264f4446af908a7c78027f75"
-  integrity sha512-Dobp/ebDKBvz91sbtRKhcznLThrKxKt97GI2FAlAyy+fk19j73Uz3sBXolVtmcXjaorivqsbbbjDY+Jkt4/bQA==
+nodemailer@^6.9.15:
+  version "6.9.15"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.15.tgz#57b79dc522be27e0e47ac16cc860aa0673e62e04"
+  integrity sha512-AHf04ySLC6CIfuRtRiEYtGEXgRfa6INgWGluDhnxTZhHSKvrBu7lc1VVchQ0d8nPc4cFaZoPq8vkyNoZr0TpGQ==
 
 nodemon@^3.1.4:
   version "3.1.4"