Update keyring requirement from ~=23.5.1 to ~=23.6.0
Updates the requirements on [keyring](https://github.com/jaraco/keyring) to permit the latest version.
- [Release notes](https://github.com/jaraco/keyring/releases)
- [Changelog](https://github.com/jaraco/keyring/blob/main/CHANGES.rst)
- [Commits](https://github.com/jaraco/keyring/compare/v23.5.1...v23.6.0)
---
updated-dependencies:
- dependency-name: keyring
dependency-type: direct:development
...
Signed-off-by: dependabot[bot] <support@github.com>