chore(mergify): force in place checks

[aemada-aws]

Issue # (if applicable)

Reason for this change

Mergify is failing to merge with the following message:

The branch protection setting Require branches to be up to date before merging is not compatible with draft PR checks. To keep this branch protection enabled, update your Mergify configuration to enable in-place checks: set merge_queue.max_parallel_checks: 1, set every queue rule batch_size: 1, and avoid two-step CI (make merge_conditions identical to queue_conditions). Otherwise, disable this branch protection.

See: https://github.com/aws/aws-cdk/pull/35616/checks?check_run_id=51597461858 for example

This is due to not properly configuring in place merges, which requires batch size 1 for all queue rules

Description of changes

added batch_size: 1 to all queue rules

Describe any new or updated permissions being added

None

Description of how you validated changes

No real way unless we try it out

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[kumvprat]

Default value for this seems to be 1 already.

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[github-actions]

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