build(deps-dev): bump @types/node in /packages/core-utils

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.20.55 to 20.5.0.
- [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>

packages/core-utils/package.json

@@ -49,7 +49,7 @@
     "node-fetch": "^2.6.7"
   },
   "devDependencies": {
-    "@types/node": "^12.12.6",
+    "@types/node": "^20.5.0",
     "mocha": "^10.0.0"
   }
 }