chore: bump smithy-kotlin version (#1485)

Author: ianbotsf

.changes/7b3af55e-ffbd-4c4d-beae-73e893ed3641.json

@@ -0,0 +1,8 @@
+{
+    "id": "7b3af55e-ffbd-4c4d-beae-73e893ed3641",
+    "type": "bugfix",
+    "description": "Bump to latest **smithy-kotlin** version to pick up fixes to `InputStream` wrapping",
+    "issues": [
+        "awslabs/aws-sdk-kotlin#1473"
+    ]
+}

gradle/libs.versions.toml

@@ -11,8 +11,8 @@ coroutines-version = "1.9.0"
 atomicfu-version = "0.25.0"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.3.30"
-smithy-kotlin-codegen-version = "0.33.30"
+smithy-kotlin-runtime-version = "1.3.31"
+smithy-kotlin-codegen-version = "0.33.31"
 
 # codegen
 smithy-version = "1.51.0"