Bump rustls from 0.22.1 to 0.22.4 (#62)

* Bump rustls from 0.22.1 to 0.22.4

Bumps [rustls](https://github.com/rustls/rustls) from 0.22.1 to 0.22.4.
- [Release notes](https://github.com/rustls/rustls/releases)
- [Changelog](https://github.com/rustls/rustls/blob/main/CHANGELOG.md)
- [Commits](rustls/rustls@v/0.22.1...v/0.22.4)

---
updated-dependencies:
- dependency-name: rustls
  dependency-type: direct:production
...

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

* Update Cargo.toml

No need to bump Cargo.toml — consumers can do that.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jon Gjengset <[email protected]>

Author: dependabot[bot]