chore: release 0.15.2-beta

Author: ianbotsf

.changes/16c733de-c490-404e-a5f9-4e1ba917d020.json

@@ -1,5 +1,11 @@
 # Changelog
 
+## [0.15.2-beta] - 05/13/2022
+
+### Features
+* Implement recursion detection middleware.
+* [#575](https://github.com/awslabs/aws-sdk-kotlin/issues/575) Add support for detecting custom metadata in system properties (starting with `aws.customMetadata.`) and environment variables (starting with `AWS_CUSTOM_METADATA_`)
+
 ## [0.15.1-beta] - 04/29/2022
 
 **WARNING: Beta releases may contain bugs and no guarantee is made about API stability. They are not recommended for production use!**

.changes/2d52d36d-564b-4e31-a7fa-14d8839d4a96.json

@@ -6,13 +6,13 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxPermSize=6g -XX:MaxMetaspaceSize=1G
 
 # sdk
-sdkVersion=0.15.2-SNAPSHOT
+sdkVersion=0.15.2-beta
 
 # codegen
 smithyVersion=1.17.0
 smithyGradleVersion=0.5.3
 # smithy-kotlin codegen and runtime are versioned together
-smithyKotlinVersion=0.9.0
+smithyKotlinVersion=0.9.1
 
 # kotlin
 kotlinVersion=1.6.10