chore(deps): bump aws-cdk-lib in /examples/servers/weather-alerts

Bumps [aws-cdk-lib](https://github.com/aws/aws-cdk/tree/HEAD/packages/aws-cdk-lib) from 2.187.0 to 2.189.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/main/CHANGELOG.v2.alpha.md)
- [Commits](https://github.com/aws/aws-cdk/commits/v2.189.0/packages/aws-cdk-lib)

---
updated-dependencies:
- dependency-name: aws-cdk-lib
  dependency-version: 2.189.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/servers/weather-alerts/package-lock.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@types/aws-lambda": "^8.10.148",
-    "aws-cdk-lib": "2.187.0",
+    "aws-cdk-lib": "2.189.0",
     "constructs": "^10.0.0",
     "openapi-mcp-server": "^1.2.0-beta05"
   }