chore(deps-dev): bump aws-cdk in /samples/bedrock-agent

Bumps [aws-cdk](https://github.com/aws/aws-cdk-cli/tree/HEAD/packages/aws-cdk) from 2.177.0 to 2.178.2.
- [Release notes](https://github.com/aws/aws-cdk-cli/releases)
- [Commits](https://github.com/aws/aws-cdk-cli/commits/@aws-cdk/cli-plugin-contract@v2.178.2/packages/aws-cdk)

---
updated-dependencies:
- dependency-name: aws-cdk
  dependency-type: direct:development
...

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

Author: dependabot[bot]

samples/bedrock-agent/package-lock.json

@@ -14,7 +14,7 @@
     "@types/jest": "^27.5.2",
     "@types/node": "10.17.27",
     "@types/prettier": "2.6.0",
-    "aws-cdk": "2.177.0",
+    "aws-cdk": "2.178.2",
     "jest": "^27.5.1",
     "ts-jest": "^27.1.4",
     "ts-node": "^10.9.1",