chore(deps-dev): bump aws-cdk-aws-lambda-python-alpha

Bumps [aws-cdk-aws-lambda-python-alpha](https://github.com/aws/aws-cdk) from 2.243.0a0 to 2.248.0a0.
- [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)

---
updated-dependencies:
- dependency-name: aws-cdk-aws-lambda-python-alpha
  dependency-version: 2.248.0a0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]