chore: upgrade smithy-kotlin to consume new Set→List changes (#652)

Author: ianbotsf

.changes/5e48cdf3-de2e-4274-8955-813c2897e3fc.json

@@ -0,0 +1,5 @@
+{
+    "id": "5e48cdf3-de2e-4274-8955-813c2897e3fc",
+    "type": "misc",
+    "description": "**Breaking**: Upgrade **smithy-kotlin** version which will replace all instances of `Set<T>` with `List<T>` in service shapes"
+}

gradle.properties

@@ -12,7 +12,7 @@ sdkVersion=0.16.8-SNAPSHOT
 smithyVersion=1.22.0
 smithyGradleVersion=0.5.3
 # smithy-kotlin codegen and runtime are versioned together
-smithyKotlinVersion=0.11.2
+smithyKotlinVersion=0.12.0-SNAPSHOT
 
 # kotlin
 kotlinVersion=1.7.0
@@ -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