chore(codegen): bump smithy-typescript-codegen to 0.26.0

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: "de3a850552111a7018df855f808258074a90ab62",
+  SMITHY_TS_COMMIT: "fbe3c04b5627a8aea693b5bfc1598adbac0213d5",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {