chore(codegen): sync for config object custody

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: "9ffe82d60dd45787a4279eb9723290edb39d0e10",
+  SMITHY_TS_COMMIT: "78c1ba09e4906fbda8639c488136deef63498e0c",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {