Bump aws-cdk-lib from 2.172.0 to 2.173.2

Bumps [aws-cdk-lib](https://github.com/aws/aws-cdk/tree/HEAD/packages/aws-cdk-lib) from 2.172.0 to 2.173.2.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/main/CHANGELOG.v2.md)
- [Commits](https://github.com/aws/aws-cdk/commits/v2.173.2/packages/aws-cdk-lib)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/amplify/package.json

@@ -8,7 +8,7 @@
     "@aws-amplify/backend": "^1.8.0",
     "@aws-sdk/client-ses": "^3.637.0",
     "@tsconfig/node20": "^20.1.4",
-    "aws-cdk-lib": "^2.154.1",
+    "aws-cdk-lib": "^2.173.2",
     "handlebars": "^4.7.8",
     "html-entities": "^2.5.2",
     "jest-mock-extended": "^3.0.7",