Log Message:
net/slumber: update to 0.12.0

[0.12.0] - 2024-01-07
Added
 - Move app-level configuration into a file (#89)
     - Right now the only supported field is preview_templates
 - Toggle query parameters and headers in recipe pane (#30)
     - You can easily enable/disable parameters and headers without having to
       modify the collection file now
 - Add Copy URL action, to get the full URL that a request will generate (#93)

Changed
 - Show profile contents while in the profile list (#26)
 - Remove settings modal in favor of the settings file
     - Supporting changing configuration values during a session adds a lot
       of complexity