chore(deps): bump rust-argon2 from 2.0.0 to 2.1.0

Bumps [rust-argon2](https://github.com/sru-systems/rust-argon2) from 2.0.0 to 2.1.0.
- [Changelog](https://github.com/sru-systems/rust-argon2/blob/master/CHANGELOG.md)
- [Commits](sru-systems/rust-argon2@2.0.0...2.1.0)

---
updated-dependencies:
- dependency-name: rust-argon2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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