chore: downgrade @elizaos/config to version 1.6.4 in package.json

Author: standujar

package.json

@@ -27,7 +27,7 @@
     "typescript": "^5.8.3"
   },
   "devDependencies": {
-    "@elizaos/config": "^1.6.5",
+    "@elizaos/config": "^1.6.4",
     "@eslint/js": "^9.17.0",
     "@typescript-eslint/eslint-plugin": "^8.22.0",
     "@typescript-eslint/parser": "^8.22.0",