chore: release 0.26.0

Author: aws-sdk-kotlin-ci

.changes/01b383de-b06e-46f0-9bbe-4f8c1a8c2b9a.json

@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.26.0] - 08/24/2023
+
+### Fixes
+* [#1029](https://github.com/awslabs/aws-sdk-kotlin/issues/1029) Set X-Amz-Content-Sha256 header for unsigned payload and event stream operations by default
+
+### Miscellaneous
+* **BREAKING**: prefix generated endpoint and auth scheme providers and cleanup auth scheme APIs
+* Remove ClientOption and associated Builder
+
 ## [0.25.1] - 08/17/2023
 
 ### Fixes

.changes/248dac80-b9e6-49f8-ae6e-0fbdafa06a2d.json

@@ -5,7 +5,7 @@ kotlin.mpp.stability.nowarn=true
 kotlin.native.ignoreDisabledTargets=true
 
 # SDK
-sdkVersion=0.26.0-SNAPSHOT
+sdkVersion=0.26.0
 
 # kotlin
-kotlinVersion=1.8.22
+kotlinVersion=1.8.22