chore: bump to version 1.1.0

Appraisals

@@ -1,10 +1,5 @@
 # frozen_string_literal: true
 
-appraise 'rails52-activeadmin20' do
-  gem 'activeadmin', '~> 2.0.0'
-  gem 'rails', '~> 5.2.0'
-end
-
 appraise 'rails60-activeadmin22' do
   gem 'activeadmin', '~> 2.2.0'
   gem 'rails', '~> 6.0.0'