build(deps): bump futures-io from 0.3.10 to 0.3.11
Bumps [futures-io](https://github.com/rust-lang/futures-rs) from 0.3.10 to 0.3.11.
- [Release notes](https://github.com/rust-lang/futures-rs/releases)
- [Changelog](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/futures-rs/compare/0.3.10...0.3.11)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>