chore(deps): bump the python-book-search group (#1393)

Updates the requirements on [aws-cdk-aws-lambda-python-alpha](https://github.com/aws/aws-cdk) and [constructs](https://github.com/aws/constructs) to permit the latest version.

Updates `aws-cdk-aws-lambda-python-alpha` from 2.248.0a0 to 2.252.0a0
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/main/CHANGELOG.v2.alpha.md)
- [Commits](https://github.com/aws/aws-cdk/commits)

Updates `constructs` to 10.6.0
- [Release notes](https://github.com/aws/constructs/releases)
- [Commits](aws/constructs@v10.0.0...v10.6.0)

---
updated-dependencies:
- dependency-name: aws-cdk-aws-lambda-python-alpha
  dependency-version: 2.252.0a0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-book-search
- dependency-name: constructs
  dependency-version: 10.6.0
  dependency-type: direct:production
  dependency-group: python-book-search
...

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Author: dependabot[bot]

examples/servers/book-search/requirements.txt

@@ -1,4 +1,4 @@
 aws-cdk-lib==2.252.0
-aws-cdk.aws-lambda-python-alpha==2.248.0a0
-constructs>=10.0.0,<11.0.0
+aws-cdk.aws-lambda-python-alpha==2.252.0a0
+constructs>=10.6.0,<11.0.0
 cdk-nag==2.38.2