Bump @types/node from 22.8.7 to 22.9.0 in /backend

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 22.8.7 to 22.9.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

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

backend/package.json

@@ -97,7 +97,7 @@
   "devDependencies": {
     "@faker-js/faker": "9.1.0",
     "@types/jest": "^29.5.14",
-    "@types/node": "^22.8.7",
+    "@types/node": "^22.9.0",
     "@typescript-eslint/eslint-plugin": "^5.62.0",
     "@typescript-eslint/parser": "^5.62.0",
     "apollo-server-testing": "~2.11.0",

backend/yarn.lock

@@ -1994,10 +1994,10 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*", "@types/node@>=6", "@types/node@^22.8.7":
-  version "22.8.7"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.8.7.tgz#04ab7a073d95b4a6ee899f235d43f3c320a976f4"
-  integrity sha512-LidcG+2UeYIWcMuMUpBKOnryBWG/rnmOHQR5apjn8myTQcx3rinFRn7DcIFhMnS0PPFSC6OafdIKEad0lj6U0Q==
+"@types/node@*", "@types/node@>=6", "@types/node@^22.9.0":
+  version "22.9.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.9.0.tgz#b7f16e5c3384788542c72dc3d561a7ceae2c0365"
+  integrity sha512-vuyHg81vvWA1Z1ELfvLko2c8f34gyA0zaic0+Rllc5lbCnbSyuvb2Oxpm6TAUAC/2xZN3QGqxBNggD1nNR2AfQ==
   dependencies:
     undici-types "~6.19.8"