chore: release 1.5.3

Author: aws-sdk-kotlin-ci

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.5.3] - 07/24/2025
+
+### Features
+* (**datazone**) This release adds support for 1) highlighting relevant text in returned results for Search and SearchListings APIs and 2) returning aggregated counts of values for specified attributes for SearchListings API.
+* (**omics**) Add Git integration and README support for HealthOmics workflows
+
 ## [1.5.2] - 07/23/2025
 
 ### Features

gradle.properties

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.5.3-SNAPSHOT
+sdkVersion=1.5.3
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/