Bump reqwest from 0.9.18 to 0.9.22 in /rust

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.9.18 to 0.9.22.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/v0.9.22/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.9.18...v0.9.22)

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

Author: dependabot-preview[bot]