refactor(core): Log any hard-deletion errors during pruning (no-changelog) (#7965)

## Summary
Pruning is a minor background task so hard-deletion errors during
pruning should be simply logged for later investigation rather than
rethrown.

...

#### How to test the change:
1. ...


## Issues fixed
Include links to Github issue or Community forum post or **Linear
ticket**:
> Important in order to close automatically and provide context to
reviewers

...


## Review / Merge checklist
- [ ] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
- [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [ ] Tests included.
> A bug is not considered fixed, unless a test is added to prevent it
from happening again. A feature is not complete without tests.
  >
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packages/cli/src/services/pruning.service.ts

@@ -9,6 +9,7 @@ import config from '@/config';
 import { ExecutionRepository } from '@db/repositories/execution.repository';
 import { Logger } from '@/Logger';
 import { ExecutionEntity } from '@db/entities/ExecutionEntity';
+import { jsonStringify } from 'n8n-workflow';
 
 @Service()
 export class PruningService {
@@ -85,8 +86,13 @@ export class PruningService {
 				.then((rate) => this.scheduleHardDeletion(rate))
 				.catch((error) => {
 					this.scheduleHardDeletion(1 * TIME.SECOND);
-					// Error will be handled by the global uncaught error handler
-					throw error;
+
+					const errorMessage =
+						error instanceof Error
+							? error.message
+							: jsonStringify(error, { replaceCircularRefs: true });
+
+					this.logger.error('[Pruning] Failed to hard-delete executions', { errorMessage });
 				});
 		}, rateMs);