build(deps): bump aws-cdk-lib from 2.19.0 to 2.20.0 (#742)

Bumps [aws-cdk-lib](https://github.com/aws/aws-cdk/tree/HEAD/packages/aws-cdk-lib) from 2.19.0 to 2.20.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/master/allowed-breaking-changes.txt)
- [Commits](https://github.com/aws/aws-cdk/commits/HEAD/packages/aws-cdk-lib)

---
updated-dependencies:
- dependency-name: aws-cdk-lib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

examples/cdk/package-lock.json

@@ -31,7 +31,7 @@
     "@aws-sdk/client-sts": "^3.53.0",
     "@middy/core": "^2.5.6",
     "@types/aws-lambda": "^8.10.86",
-    "aws-cdk-lib": "2.19.0",
+    "aws-cdk-lib": "2.20.0",
     "aws-sdk": "^2.1088.0",
     "constructs": "^10.0.82",
     "source-map-support": "^0.5.16"