Bump mpris from 2.0.1 to 2.1.0

Bumps [mpris](https://github.com/Mange/mpris-rs) from 2.0.1 to 2.1.0.
- [Changelog](https://github.com/Mange/mpris-rs/blob/master/CHANGELOG.md)
- [Commits](Mange/mpris-rs@v2.0.1...v2.1.0)

---
updated-dependencies:
- dependency-name: mpris
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]