chore: bump smithy-kotlin (#1581)

Author: ianbotsf

.changes/1b2c0cb4-334b-403e-924a-0e626649d4a8.json

@@ -0,0 +1,8 @@
+{
+    "id": "1b2c0cb4-334b-403e-924a-0e626649d4a8",
+    "type": "bugfix",
+    "description": "Bump **smithy-kotlin** version to pick up fix for connection polling",
+    "issues": [
+        "awslabs/aws-sdk-kotlin#1214"
+    ]
+}

gradle/libs.versions.toml

@@ -12,8 +12,8 @@ atomicfu-version = "0.25.0"
 binary-compatibility-validator-version = "0.16.3"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.4.14"
-smithy-kotlin-codegen-version = "0.34.14"
+smithy-kotlin-runtime-version = "1.4.15"
+smithy-kotlin-codegen-version = "0.34.15"
 
 # codegen
 smithy-version = "1.53.0"