Add Rails 7.0 to the GHA build

.github/workflows/ruby.yml

@@ -20,6 +20,11 @@ jobs:
       matrix:
         ruby-version: [2.3.0, 2.4.4, 2.5.5, 2.6.3, truffleruby]
         appraisal: ['3.2', '4.0', '4.1', '4.2', '5.0', '5.1', '5.2', '6.0']
+        include:
+          - ruby-version: 2.7.5
+            appraisal: '7.0'
+          - ruby-version: truffleruby
+            appraisal: '7.0'
         exclude:
           - ruby-version: 2.3.0
             appraisal: '4.2'
@@ -69,7 +74,7 @@ jobs:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: false # runs 'bundle install' and caches installed gems automatically
     - name: Set system gem command
-      run: gem update --system 2.7.8
+      run: gem update --system
     - name: Install compatible bundler for all envs
       run: gem install bundler -v 1.17.3
     - name: Bundle for Appraisal

readme.md

@@ -7,7 +7,7 @@ This gem gives every ActiveRecord::Base object the possibility to do a deep clon
 ## Requirements
 
 - Ruby 2.3.0, 2.4.4, 2.5.5, 2.6.3, 2.7.5 (tested)
-- TruffleRuby 20.2.0
+- TruffleRuby 21.3.0
 - Activerecord 3.2, 4.0, 4.1, 4.2, 5.0, 5.1, 5.2, 6.0, 7.0 (tested)
 - Rails 2.x/3.0 users, please check out the 'rails2.x-3.0' branch