Update CHANGELOG.md (Azure#33102)

Author: simorenoh

sdk/cosmos/azure-cosmos/CHANGELOG.md

@@ -1,16 +1,10 @@
 ## Release History
 
-### 4.5.2b3 (Unreleased)
+### 4.5.2b3 (2023-11-10)
 
 #### Features Added
 * Added support for capturing Index Metrics in query operations. See [PR 33034](https://github.com/Azure/azure-sdk-for-python/pull/33034)
 
-#### Breaking Changes
-
-#### Bugs Fixed
-
-#### Other Changes
-
 ### 4.5.2b2 (2023-10-31)
 
 #### Features Added