ci: Remove unnecessary async/await, enable await-thenable linting rule (no-changelog) (#8076)

## Summary
We accidentally made some functions `async` in
https://github.com/n8n-io/n8n/pull/7846
This PR reverts that change. 

## Review / Merge checklist
- [x] PR title and summary are descriptive.

packages/cli/package.json

@@ -76,7 +76,7 @@
     "@types/formidable": "^3.4.0",
     "@types/json-diff": "^1.0.0",
     "@types/jsonwebtoken": "^9.0.1",
-    "@types/localtunnel": "^1.9.0",
+    "@types/localtunnel": "^2.0.4",
     "@types/lodash": "^4.14.195",
     "@types/passport-jwt": "^3.0.6",
     "@types/psl": "^1.1.0",