chore(codegen): update smithy version, blob documentation hints

Author: kuhe

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: "3e3022397897bdf03c6a20e1f5ddac5aa09a65ea",
+  SMITHY_TS_COMMIT: "d9297957de5dd0dcb7f5ec2fdf3c39a0771ac1d9",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {