Bump mezzio/mezzio from 3.19.1 to 3.20.0

Bumps [mezzio/mezzio](https://github.com/mezzio/mezzio) from 3.19.1 to 3.20.0.
- [Release notes](https://github.com/mezzio/mezzio/releases)
- [Commits](mezzio/mezzio@3.19.1...3.20.0)

---
updated-dependencies:
- dependency-name: mezzio/mezzio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>