Bump http from 0.2.9 to 0.2.11 in /src/rust/engine

Bumps [http](https://github.com/hyperium/http) from 0.2.9 to 0.2.11.
- [Release notes](https://github.com/hyperium/http/releases)
- [Changelog](https://github.com/hyperium/http/blob/v0.2.11/CHANGELOG.md)
- [Commits](hyperium/http@v0.2.9...v0.2.11)

---
updated-dependencies:
- dependency-name: http
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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