改用户名的功能限时开放的时间过了，所以revert了回关闭用户名的时候

This reverts commit dab013ec.

Bumps [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) from 2.16.0 to 2.20.5.
- [Release notes](https://github.com/mafintosh/is-my-json-valid/releases)
- [Commits](https://github.com/mafintosh/is-my-json-valid/compare/v2.16.0...v2.20.5)
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

This reverts commit 89439122.