message: Replace maintenance status badge none with ellipses
diff: @@ -216,7 +216,7 @@ is-it-maintained-open-issues = { repository = "..." }
  # Maintenance: `status` is required Available options are `actively-developed`,
  # `passively-maintained`, `as-is`, `none`, `experimental`, `looking-for-maintainer`
  # and `deprecated`.
  -maintenance = { status = "none" }
  +maintenance = { status = "..." }
  ```
  