Bump @types/node from 17.0.7 to 17.0.8 in /samples/browser/webext

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 17.0.7 to 17.0.8.
- [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-patch
...

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

Author: dependabot[bot]

samples/browser/webext/package-lock.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^9.0.0",
-    "@types/node": "^17.0.7",
+    "@types/node": "^17.0.8",
     "mocha": "^9.1.3",
     "ts-loader": "^9.2.6",
     "typescript": "^4.5.4",