Release 4.10.0b2 (Azure#40100)

* background call for get database account call

* only call get database account in health check for different endpoints

* Change health check logic in sync

* Revert removing timing

* update changelog

* fix tests

* use asyncio create_task

* fix tests

* fix pylint

* Renamed variables and added effective preferred locations

* update changelog

* Add test for effective preferred regions

* Add test for effective preferred regions

* sync test for preferred regions

* Renaming and add test for health check

* fix tests

* fix tests and add more health check tests

* fix tests

* add tests

* fix tests

* Move to breaking change

* fix cspell and tests

* fix tests

* fix tests

* revert preferred locations

* timeout mark unavailable

* moving health check to background

* only finish health check after 2 successes

* fix tests

* add tests

* fix and add timeout tests for marking endpoints unavailable

* Reacting to comments

* Reacting to comments

* Add cleanup of background task when cosmos client closes

* React to comments

* Remove consecutive failures code

* updated changelog

* Fix test

* Fix tests that weren't awaiting properly

* fix tests

* remove marking unavailable, health check four regions, health check primary and alternate

* fix type hints

* fix startup scenario

* fix updating cache

* fix operation type check unavailable

* add logic to check by endpoint and not by regional routing context

* fix tests

* fix tests

* fix test

* fix tests

* fix tests

* debug multimaster test

* cleanup

* mark global endpoint available

* fix tests and only use endpoint from gateway for multimaster

* retry multi region writes same as reads

* react to comments

* multi write fix

* cleanup / pylint

* added some comments

* dont use session token for writes

* add tests for session token changes, update change log, adds comments to tests

* fix pylint

* fix test

* revert session changes

* release changes

---------

Co-authored-by: Tomas Varon <tomasvaron@Tomass-MacBook-Pro.local>

Author: tvaron3

sdk/cosmos/azure-cosmos/CHANGELOG.md

@@ -1,10 +1,6 @@
 ## Release History
 
-### 4.10.0b2 (Unreleased)
-
-#### Features Added
-
-#### Breaking Changes
+### 4.10.0b2 (2025-04-08)
 
 #### Bugs Fixed
 * Fixed bug preventing health check in some scenarios. See [PR 39647](https://github.com/Azure/azure-sdk-for-python/pull/39647)