[Core] Prepare release 1.10.0 (#1017)

Author: Nyholm

CHANGELOG.md

@@ -2,10 +2,13 @@
 
 ## NOT RELEASED
 
+## 1.10.0
+
 ### Added
 
 - AWS enhancement: STS now supports assume role with Web Identity using JWT token length upto 20000 characters
 - AWS api-change: This release adds the SourceIdentity parameter that can be set when assuming a role.
+- Support for Symfony 6
 
 ## 1.9.2