chore: bump snapshot version for 0.16.3

Author: aws-sdk-kotlin-ci

gradle.properties

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=0.16.2-beta
+sdkVersion=0.16.3-SNAPSHOT
 
 # codegen
 smithyVersion=1.17.0
@@ -39,4 +39,4 @@ slf4jVersion=1.7.36
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinPackageListUrl=
-smithyKotlinDocBaseUrl=https://docs.aws.amazon.com/sdk-for-kotlin/latest/reference/smithy-kotlin
+smithyKotlinDocBaseUrl=https://docs.aws.amazon.com/sdk-for-kotlin/latest/reference/smithy-kotlin