build(deps-dev): bump @types/node from 14.14.31 to 15.0.1 (#665)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.31 to 15.0.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

Author: dependabot[bot]

package-lock.json

@@ -14,7 +14,7 @@
   ],
   "devDependencies": {
     "@types/jest": "^26.0.20",
-    "@types/node": "^14.14.20",
+    "@types/node": "^15.0.1",
     "@typescript-eslint/eslint-plugin": "^4.12.0",
     "@typescript-eslint/parser": "^4.12.0",
     "@vuepress/plugin-google-analytics": "^1.8.0",