4.1-nightly-2026-04-16

build(deps-dev): bump carthage-software/mago from 1.19.0 to 1.20.1

Bumps [carthage-software/mago](https://github.com/carthage-software/mago) from 1.19.0 to 1.20.1.
- [Release notes](https://github.com/carthage-software/mago/releases)
- [Commits](https://github.com/carthage-software/mago/compare/1.19.0...1.20.1)

---
updated-dependencies:
- dependency-name: carthage-software/mago
  dependency-version: 1.20.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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