build(deps-dev): bump @types/node from 25.5.0 to 25.5.2 in /backend

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 25.5.0 to 25.5.2.
- [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-version: 25.5.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

backend/package.json

@@ -101,7 +101,7 @@
     "@types/jest": "^30.0.0",
     "@types/jsonwebtoken": "~8.5.1",
     "@types/lodash": "^4.17.24",
-    "@types/node": "^25.5.0",
+    "@types/node": "^25.5.2",
     "@types/request": "^2.48.13",
     "@types/slug": "^5.0.9",
     "@types/uuid": "~9.0.1",

backend/yarn.lock

@@ -3374,10 +3374,10 @@
     "@types/node" "*"
     form-data "^4.0.4"
 
-"@types/node@*", "@types/node@^25.5.0":
-  version "25.5.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-25.5.0.tgz#5c99f37c443d9ccc4985866913f1ed364217da31"
-  integrity sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==
+"@types/node@*", "@types/node@^25.5.2":
+  version "25.5.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-25.5.2.tgz#94861e32f9ffd8de10b52bbec403465c84fff762"
+  integrity sha512-tO4ZIRKNC+MDWV4qKVZe3Ql/woTnmHDr5JD8UI5hn2pwBrHEwOEMZK7WlNb5RKB6EoJ02gwmQS9OrjuFnZYdpg==
   dependencies:
     undici-types "~7.18.0"