Revert "Update to release-2025-10-30 (#1374)" (#1375)

This reverts commit 474afea.

This needed a build image bump before it was released. Reverting until
the build image can be updated.

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Author: landonxjames

config.json

@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "smithyRsVersion": "release-2025-10-30"
+    "smithyRsVersion": "release-2025-10-06"
   }
 }