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/src/workflows/workflows.controller.ts

@@ -209,7 +209,7 @@ workflowsController.get(
 
 		const shared = await Container.get(SharedWorkflowRepository).findOne({
 			relations,
-			where: await whereClause({
+			where: whereClause({
 				user: req.user,
 				entityType: 'workflow',
 				globalScope: 'workflow:read',