chore(codegen): string array and operation context params (#6435)

Author: trivikr

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: "8b3d752e3231820b94befa5f7118b7e134d759e9",
+  SMITHY_TS_COMMIT: "a2bb933fc4dea318cdda9db998e1606aefb77c51",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {