Bump psalm/phar from 5.19.0 to 5.21.1

Bumps [psalm/phar](https://github.com/psalm/phar) from 5.19.0 to 5.21.1.
- [Release notes](https://github.com/psalm/phar/releases)
- [Commits](psalm/phar@5.19.0...5.21.1)

---
updated-dependencies:
- dependency-name: psalm/phar
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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