chore: release 0.21.4-beta

Author: aws-sdk-kotlin-ci

.changes/40de1cb5-015f-4108-b3ef-419629a615ff.json

@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.21.4-beta] - 03/30/2023
+
+### Features
+* Add support for awsQuery-compatible error responses.
+
+### Miscellaneous
+* add clarifying docs for endpointUrl
+* Sync latest AWS models
+
 ## [0.21.3-beta] - 03/16/2023
 
 ### Features

.changes/47db33ac-96a0-4258-b05e-7245fff5ea79.json

@@ -7,7 +7,7 @@ kotlin.mpp.enableCompatibilityMetadataVariant=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=0.21.4-SNAPSHOT
+sdkVersion=0.21.4-beta
 
 # codegen
 smithyVersion=1.26.1
@@ -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/