Minor version bump to `v11.1.0`

[atreyasha]

Checklist

• Admin:
  • [x] No duplicate PRs
• Integration:
  • [x] Update unit tests
  • [x] Update shell completions
  • [x] Update configuration file
• Documentation:
  • [x] Update usage function
  • [x] Update mandoc
  • [x] Update readme
  • [x] Update locales
• Release:
  • [x] Update change log
  • [x] Update DOWNGRADE_VERSION

Description

With the previous three bugfixes, I'd say we could release with a minor version bump.