Update errno requirement from 0.2 to 0.3
Updates the requirements on [errno](https://github.com/lambda-fairy/rust-errno) to permit the latest version.
- [Release notes](https://github.com/lambda-fairy/rust-errno/releases)
- [Changelog](https://github.com/lambda-fairy/rust-errno/blob/main/CHANGELOG.md)
- [Commits](https://github.com/lambda-fairy/rust-errno/compare/v0.2.0...v0.3.0)
---
updated-dependencies:
- dependency-name: errno
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>