Bump @types/node from 20.3.3 to 18.16.1 (#9)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.3.3 to 18.16.1.
- [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-minor
...

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

package.json

@@ -30,7 +30,7 @@
  "@tsconfig/recommended": "^1.0.2",
  "@types/express": "^4.17.17",
  "@types/express-actuator": "^1.8.0",
- "@types/node": "^20.3.3",
+ "@types/node": "^18.16.1",
  "@typescript-eslint/eslint-plugin": "^5.61.0",
  "@typescript-eslint/parser": "^5.61.0",
  "eslint": "^8.44.0",