build(deps): bump @types/node from 17.0.45 to 18.7.1 in /example

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 17.0.45 to 18.7.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

example/package-lock.json

@@ -7,7 +7,7 @@
     "cdk": "cdk"
   },
   "dependencies": {
-    "@types/node": "^17.0.18",
+    "@types/node": "^18.7.1",
     "aws-cdk": "^2.37.1",
     "aws-cdk-lib": "^2.37.1",
     "cdk-lambda-ruby": "file:..",