build(deps-dev): bump @types/nodemailer in /backend-node

Bumps [@types/nodemailer](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/nodemailer) from 6.4.15 to 6.4.16.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/nodemailer)

---
updated-dependencies:
- dependency-name: "@types/nodemailer"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

backend-node/package.json

@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@types/html-to-text": "^9.0.4",
-    "@types/nodemailer": "^6.4.15",
+    "@types/nodemailer": "^6.4.16",
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "@types/swagger-ui-dist": "^3.30.5",

backend-node/yarn.lock

@@ -1988,12 +1988,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/nodemailer@npm:^6.4.15":
-  version: 6.4.15
-  resolution: "@types/nodemailer@npm:6.4.15"
+"@types/nodemailer@npm:^6.4.16":
+  version: 6.4.16
+  resolution: "@types/nodemailer@npm:6.4.16"
   dependencies:
     "@types/node": "npm:*"
-  checksum: 10c0/553e613fe08fd663bff1fb3647a8ebbcc4ca297a6249296a43f3c92499158acad5955689be2096ff3fe72f145e80d749c1fc66d5549fe665d7ceb6d0946f2a26
+  checksum: 10c0/63a9e9ad8916675aeb0828dd969e6def6e24344c1bd2b93674ad1933160d532c6d9c2a56ec3f2efc1a866cacaa468a2969be33447304fb94af507d6cd3b94e83
   languageName: node
   linkType: hard
 
@@ -5188,7 +5188,7 @@ __metadata:
     "@react-email/components": "npm:0.0.25"
     "@react-email/render": "npm:1.0.1"
     "@types/html-to-text": "npm:^9.0.4"
-    "@types/nodemailer": "npm:^6.4.15"
+    "@types/nodemailer": "npm:^6.4.16"
     "@types/react": "npm:^18"
     "@types/react-dom": "npm:^18"
     "@types/swagger-ui-dist": "npm:^3.30.5"