chore(deps-dev): bump @types/node from 13.13.5 to 15.9.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 13.13.5 to 15.9.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

package.json

@@ -43,7 +43,7 @@
     "@commitlint/config-conventional": "^8.3.4",
     "@commitlint/prompt-cli": "^8.3.5",
     "@types/jest": "^25.2.3",
-    "@types/node": "^13.13.5",
+    "@types/node": "^15.9.0",
     "coveralls": "^3.1.0",
     "get-root-path": "^2.0.2",
     "husky": "^4.3.8",