Updated CHANGELOG with 8.10.0 and removed 8.9.0

Author: ezimuel

CHANGELOG.md

@@ -1,9 +1,11 @@
 # Changelog
 
-## 8.9.0 (2024-08-13)
+## 8.10.0 (2024-08-14)
 
 - Added the OpenTelemetry support
   [#27](https://github.com/elastic/elastic-transport-php/pull/27)
+- Refactored the OpenTelemetry using PSR-7 attributes
+  [2be33cd](https://github.com/elastic/elastic-transport-php/commit/2be33cdc8be161fc7dc9a1989da5d550ffc4a230)
 
 ## 8.8.0 (2023-11-08)