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/executions/executions.service.ts

@@ -155,7 +155,7 @@ export class ExecutionsService {
 			filter,
 			sharedWorkflowIds,
 			executingWorkflowIds,
-			await req.user.hasGlobalScope('workflow:list'),
+			req.user.hasGlobalScope('workflow:list'),
 		);
 
 		const formattedExecutions = await Container.get(ExecutionRepository).searchExecutions(