CI against Rails 8.0

Author: y-yagi

.github/workflows/ci.yml

@@ -41,6 +41,9 @@ jobs:
           - rails: "7.2"
             ruby: "3.3"
 
+          - rails: "8.0"
+            ruby: "3.3"
+
     env:
       BUNDLE_GEMFILE: gemfiles/rails_${{ matrix.rails }}.gemfile
       DISPLAY: ":99.0"

gemfiles/rails_8.0.gemfile

@@ -0,0 +1,18 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "puma"
+gem "active_model_serializers"
+gem "amazing_print"
+gem "minitest"
+gem "minitest-rails"
+gem "rake"
+gem "sprockets", "< 4.0"
+gem "rails", "~> 8.0.0"
+gem "sidekiq", "~> 7.2.4"
+gem "sqlite3"
+gem "rubocop"
+
+gemspec path: "../"