1.0.0-beta.7 release

[kenjis]

See https://github.com/codeigniter4/shield/blob/develop/admin/RELEASE.md

TODO

• Prep for 1.0.0-beta.7 release #886
• 1.0.0-beta.7 Ready code #887
• https://github.com/codeigniter4/shield/releases/tag/v1.0.0-beta.7
• docs: update RELEASE.md #890

References

• Prep for 1.0.0-beta.6 release #715
• 1.0.0-beta.6 Ready code #716