Update pricing.mdx

added logpush pricing

Author: kathayl

src/content/docs/ai-gateway/reference/pricing.mdx

@@ -32,6 +32,14 @@ We have extended our real-time log storage (previously limited to 24 hours) to a
 
 Allocations are based on the total logs stored across all gateways. If your limit is reached, new logs will stop being saved. To continue saving logs, you must delete older logs to free up space.
 
+## Logpush
+
+Logpush is only available on the Workers Paid plan.
+
+|                       | Paid plan                          |
+| --------------------- | ---------------------------------- |
+| Requests              | 10 million / month, +$0.05/million |
+
 ## Fine print
 
 Prices subject to change. If you are an Enterprise customer, reach out to your account team to confirm pricing details.