Bump aws-cdk-aws-lambda-python-alpha from 2.218.0a0 to 2.221.1a0

Bumps [aws-cdk-aws-lambda-python-alpha](https://github.com/aws/aws-cdk) from 2.218.0a0 to 2.221.1a0.
- [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: 2.221.1a0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,3 +1,3 @@
 aws-cdk-lib==2.218.0
-aws-cdk.aws-lambda-python-alpha==2.218.0a0
+aws-cdk.aws-lambda-python-alpha==2.221.1a0
 constructs>=10.0.0,<11.0.0