Bump @types/node from 14.14.42 to 15.0.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.42 to 15.0.0.
- [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

@@ -49,7 +49,7 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/chai": "^4.2.15",
     "@types/mocha": "^8.2.2",
-    "@types/node": "^14.14.36",
+    "@types/node": "^15.0.0",
     "chai": "^4.3.4",
     "coveralls": "^3.1.0",
     "mocha": "^8.3.2",