Bump aws-cdk from 2.139.1 to 2.140.0 in /infra

Bumps [aws-cdk](https://github.com/aws/aws-cdk/tree/HEAD/packages/aws-cdk) from 2.139.1 to 2.140.0.
- [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/v2.140.0/packages/aws-cdk)

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

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

infra/package.json

@@ -16,7 +16,7 @@
   "devDependencies": {
     "@types/jest": "^29.5.12",
     "@types/node": "20.12.8",
-    "aws-cdk": "^2.139.1",
+    "aws-cdk": "^2.140.0",
     "jest": "^29.7.0",
     "ts-jest": "^29.1.2",
     "ts-node": "^10.9.2",