Bump phan/phan from 2.4.8 to 2.4.9
Bump phan/phan from 2.4.8 to 2.4.9

Bumps [phan/phan](https://github.com/phan/phan) from 2.4.8 to 2.4.9.
- [Release notes](https://github.com/phan/phan/releases)
- [Changelog](https://github.com/phan/phan/blob/master/NEWS.md)
- [Commits](https://github.com/phan/phan/compare/2.4.8...2.4.9)

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