chore: release 0.28.0-beta

Author: aws-sdk-kotlin-ci

.changes/1397b538-9c3d-49f6-a0ae-d2781e442ed1.json

@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.28.0-beta] - 06/29/2023
+
+### Features
+* [#701](https://github.com/awslabs/aws-sdk-kotlin/issues/701) **Breaking**: Simplify mechanisms for setting/updating retry strategies in client config. See [this discussion post](https://github.com/awslabs/aws-sdk-kotlin/discussions/964) for more details.
+* [#701](https://github.com/awslabs/aws-sdk-kotlin/issues/701) Add adaptive retry mode
+
+### Miscellaneous
+* Sync AWS models and bump smithy-kotlin version
+
 ## [0.27.2-beta] - 06/22/2023
 
 ### Miscellaneous

.changes/1d5c8d89-ed94-4dc3-9845-468b9cf359c8.json

@@ -7,7 +7,7 @@ kotlin.mpp.enableCompatibilityMetadataVariant=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=0.28.0-SNAPSHOT
+sdkVersion=0.28.0-beta
 
 # codegen
 smithyVersion=1.29.0
@@ -39,4 +39,4 @@ mockkVersion=1.13.3
 slf4jVersion=2.0.6
 
 # dokka config (values specified at build-time as needed)
-smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinVersion/
+smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinVersion/