Bump @types/node from 18.16.3 to 20.1.0 (slackapi#1829)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.16.3 to 20.1.0.
- [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:production
  update-type: version-update:semver-major
...

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

package.json

@@ -47,7 +47,7 @@
     "@slack/types": "^2.7.0",
     "@slack/web-api": "^6.7.1",
     "@types/express": "^4.16.1",
-    "@types/node": "18.16.3",
+    "@types/node": "20.1.0",
     "@types/promise.allsettled": "^1.0.3",
     "@types/tsscmp": "^1.0.0",
     "axios": "^0.27.2",