Bump aws-cdk-aws-apprunner-alpha from 2.94.0a0 to 2.103.1a0

Bumps [aws-cdk-aws-apprunner-alpha](https://github.com/aws/aws-cdk) from 2.94.0a0 to 2.103.1a0.
- [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)

---
updated-dependencies:
- dependency-name: aws-cdk-aws-apprunner-alpha
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

infra/requirements.txt

@@ -1,3 +1,3 @@
 aws-cdk-lib==2.103.1
 constructs>=10.0.0,<11.0.0
-aws-cdk.aws-apprunner-alpha==2.94.0a0
+aws-cdk.aws-apprunner-alpha==2.103.1a0