changelog updates for 0.27.0 (#3014)

Author: analogrelay

sdk/cosmos/azure_data_cosmos/CHANGELOG.md

@@ -1,26 +1,27 @@
 # Release History
 
-## 0.27.0 (Unreleased)
+## 0.27.0 (2025-09-17)
 
-### Features Added
+### Other Changes
 
-### Breaking Changes
+* Updated Core SDK dependencies
 
-### Bugs Fixed
+## 0.26.0 (2025-08-06)
 
 ### Other Changes
 
-## 0.26.0 (2025-08-06)
+* Updated Core SDK dependencies
 
 ## 0.25.0 (2025-08-05)
 
 ### Features Added
+
 * Added `if_match_etag` to `ItemOptions` ([#2705](https://github.com/Azure/azure-sdk-for-rust/pull/2705))
 * Added several more options to `ItemOptions`: `pre_triggers`, `post_triggers`, `session_token`, `consistency_level`, and `indexing_directive` ([#2744](https://github.com/Azure/azure-sdk-for-rust/pull/2744))
 
 ### Breaking Changes
 
-- Minimum supported Rust version (MSRV) is now 1.85.
+* Minimum supported Rust version (MSRV) is now 1.85.
 
 ## 0.24.0 (2025-06-10)