fix(deps): upgrade projen (#125)

* fix(deps): upgrade projen

Upgrades project dependencies. See details in [workflow run].

[Workflow Run]: https://github.com/time-loop/cdk-aurora/actions/runs/18988466248

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*Automatically created by projen via the "update-projen-main" workflow*

Signed-off-by: github-actions <github-actions@github.com>

* chore(projen): remove deprecated packageManager configuration

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Signed-off-by: github-actions <github-actions@github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Andrew Hammond <445764+ahammond@users.noreply.github.com>

Author: 3 people