chore: release 1.4.28

Author: aws-sdk-kotlin-ci

.changes/65002f2c-40d9-4f43-8093-19067e1793bf.json

@@ -1,5 +1,18 @@
 # Changelog
 
+## [1.4.28] - 02/24/2025
+
+### Features
+* (**bedrockagent**) This release improves support for newer models in Amazon Bedrock Flows.
+* (**bedrockagentruntime**) Adding support for ReasoningContent fields in Pre-Processing, Post-Processing and Orchestration Trace outputs.
+* (**bedrockruntime**) This release adds Reasoning Content support to Converse and ConverseStream APIs
+
+### Documentation
+* (**elasticache**) Documentation update, adding clarity and rephrasing.
+
+### Miscellaneous
+* Remove Elastic Inference Service
+
 ## [1.4.27] - 02/21/2025
 
 ### Features

CHANGELOG.md

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.4.28-SNAPSHOT
+sdkVersion=1.4.28
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/