Bump reqwest from 0.9.6 to 0.9.9

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.9.6 to 0.9.9.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.9.6...v0.9.9)

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

Author: dependabot-support