Fix CI jobs and add Ruby 3.3 to CI matrix (#150)

* Fix CI jobs when installing Rails edge

* Fix CI jobs when using Ruby >= 3.4

* Try upgrading rubygems using setup/ruby

* Add Ruby 3.3 to CI matrix

* Remove .tools-version file

Author: stephannv

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest']
-        ruby-version: ['2.7', '3.0', '3.1', '3.2', 'head']
+        ruby-version: ['2.7', '3.0', '3.1', '3.2', '3.3', 'head']
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -20,12 +20,10 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: false
-
-      - name: Update RubyGems
-        run: gem update --system
+          rubygems: latest
 
       - name: Install dependencies
-        run: bundle install
+        run: bundle install --jobs 4
 
       - name: Appraisals install
         run: bundle exec appraisal install
@@ -45,7 +43,7 @@ jobs:
               bundler-cache: false
 
           - name: Install dependencies
-            run: bundle install
+            run: bundle install --jobs 4
 
           - name: Rubocop
             run: bundle exec rubocop

Appraisals

@@ -1,13 +1,17 @@
 # frozen_string_literal: true
 
-appraise "rails-6" do
-	gem "rails", "~> 6"
+if RUBY_VERSION < "3.4.0"
+	appraise "rails-6" do
+		gem "rails", "~> 6"
+	end
 end
 
 appraise "rails-7" do
 	gem "rails", "~> 7"
 end
 
-appraise "rails-edge" do
-	gem "rails", github: "rails/rails"
+if RUBY_VERSION >= "3.1.0"
+	appraise "rails-edge" do
+		gem "rails", github: "rails/rails"
+	end
 end