Bump hyper from 0.14.7 to 0.14.8 in /oak_loader
Bump hyper from 0.14.7 to 0.14.8 in /oak_loader

Bumps [hyper](https://github.com/hyperium/hyper) from 0.14.7 to 0.14.8.
- [Release notes](https://github.com/hyperium/hyper/releases)
- [Changelog](https://github.com/hyperium/hyper/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/hyper/compare/v0.14.7...v0.14.8)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak