Bump @types/node from 22.7.5 to 22.9.1 in /tools/sdk-testgen

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 22.7.5 to 22.9.1.
- [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] <support@github.com>

tools/sdk-testgen/package-lock.json

@@ -2059,12 +2059,12 @@
             "license": "MIT"
         },
         "node_modules/@types/node": {
-            "version": "22.7.5",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.5.tgz",
-            "integrity": "sha512-jML7s2NAzMWc//QSJ1a3prpk78cOPchGvXJsC3C6R6PSMoooztvRVQEz89gmBTBY1SPMaqo5teB4uNHPdetShQ==",
+            "version": "22.9.1",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-22.9.1.tgz",
+            "integrity": "sha512-p8Yy/8sw1caA8CdRIQBG5tiLHmxtQKObCijiAa9Ez+d4+PRffM4054xbju0msf+cvhJpnFEeNjxmVT/0ipktrg==",
             "dev": true,
             "dependencies": {
-                "undici-types": "~6.19.2"
+                "undici-types": "~6.19.8"
             }
         },
         "node_modules/@types/node-fetch": {