chore(codegen): bump version to 0.20.1 (#5968)

Author: AndrewFossAWS

codegen/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Smithy AWS Typescript Codegen Changelog
 
+## 0.20.1 (2024-04-05)
+
+### Features
+* Add option to prevent md5 computation ([#5953](https://github.com/aws/aws-sdk-js-v3/pull/5953)) 
+* Update Smithy to 1.47.0 ([#5956](https://github.com/aws/aws-sdk-js-v3/pull/5956))
+
 ## 0.20.0 (2024-03-27)
 
 ### Features

scripts/generate-clients/config.js

@@ -1,7 +1,7 @@
 // Update this commit when taking up new changes from smithy-typescript.
 module.exports = {
   // Use full commit hash as we explicitly fetch it.
-  SMITHY_TS_COMMIT: "3d9d6038a44d513f4362cecd741ed23e320960a4",
+  SMITHY_TS_COMMIT: "6e4f8d45234f51eb56a58db6113797d034bfb855",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {