Reduce webhook retry attempts from 8 to 5

- Changes webhook delivery attempts from 8 to 5
- Keeps exponential backoff with 5-second base delay
- Total retry window: ~1 minute 15 seconds
- Balances resilience with resource efficiency

Timeline:
- Attempt 1: 0s
- Attempt 2: +5s (5s total)
- Attempt 3: +10s (15s total)
- Attempt 4: +20s (35s total)
- Attempt 5: +40s (1m 15s total)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: eabdelmoneim

src/worker/queues/send-webhook-queue.ts

@@ -59,7 +59,7 @@ export class SendWebhookQueue {
     connection: redis,
     defaultJobOptions: {
       ...defaultJobOptions,
-      attempts: 8,
+      attempts: 5,
       backoff: { type: "exponential", delay: 5_000 },
     },
   });