chore: release 0.20.3-beta

Author: aws-sdk-kotlin-ci

.changes/4f018a31-b868-4464-80a9-dcf4f1cb85ff.json

@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.20.3-beta] - 02/16/2023
+
+### Features
+* [#839](https://github.com/awslabs/aws-sdk-kotlin/issues/839) Add `Expect: 100-continue` header to S3 PUT requests over 2MB
+
+### Miscellaneous
+* Upgrade smithy-kotlin and sync latest service models.
+
 ## [0.20.2-beta] - 02/09/2023
 
 ### Features

.changes/54a6847c-98ff-4bdd-a81a-d67324fd5c8e.json

@@ -7,7 +7,7 @@ kotlin.mpp.enableCompatibilityMetadataVariant=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=0.20.3-SNAPSHOT
+sdkVersion=0.20.3-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/