Update aws-cdk-lib to version 2.238.0 in package.json and package-lock.json

Author: mwarman

infrastructure/package-lock.json

@@ -27,7 +27,7 @@
     "typescript": "5.9.3"
   },
   "dependencies": {
-    "aws-cdk-lib": "2.237.1",
+    "aws-cdk-lib": "2.238.0",
     "constructs": "10.4.5",
     "dotenv": "17.2.4",
     "zod": "4.3.6"