build(deps-dev): bump @types/node from 15.12.5 to 16.4.3 (#1480)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.12.5 to 16.4.3.
- [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-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^8.2.1",
-    "@types/node": "^15.0.1",
+    "@types/node": "^16.4.3",
     "@typescript-eslint/eslint-plugin": "^2.3.3",
     "@typescript-eslint/parser": "^2.27.0",
     "assert": "^2.0.0",