Update request rate limits for create and get entry operations

Author: PallabPaul

articles/confidential-ledger/overview.md

@@ -88,9 +88,9 @@ Data is automatically replicated to Azure regional pairs for disaster recovery.
 |--|--|
 | Number of ledgers per subscription | 2 standard SKU ledgers |
 | Number of collection IDs per ledger | 50,000 |
-| Create entry | 1900 requests per second, 1900 transactions per second |
+| Create entry | 1800 requests per second, 1800 transactions per second |
 | Get current entry | 3600 requests per second |
-| Get entry | 3200 requests per second |
+| Get entry | 2500 requests per second |
 | Get receipt | 2400 requests per second |
 | List entries | 3300 requests per second |