Fix test workflow.

.github/workflows/workflow.yml

@@ -14,36 +14,40 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, ubuntu-18.04, macos-11, windows-2019 ]
-        ruby: [ head, '3.0', 2.7, 2.6, 2.5, 2.4, jruby, truffleruby-head ]
+        os: 
+          - ubuntu-22.04
+          - macos-11
+          - windows-2022
+        ruby:
+          - "2.4"
+          - "2.5"
+          - "2.6"
+          - "2.7"
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "head"
+          - "jruby"
+          - "truffleruby"
         include:
-          - { os: ubuntu-22.04, ruby: head  }
-          - { os: ubuntu-22.04, ruby: 3.1   }
-          - { os: windows-2022, ruby: ucrt  }
-          - { os: windows-2022, ruby: 3.1   }
+          - {os: ubuntu-20.04, ruby: "3.2"}
+          - {os: windows-2019, ruby: "3.2"}
+          - {os: windows-2022, ruby: ucrt}
         exclude:
-          - { os: windows-2019, ruby: head  }
-          - { os: windows-2019, ruby: jruby }
-          - { os: windows-2019, ruby: truffleruby-head }
+          - {os: windows-2022, ruby: head}
+          - {os: windows-2022, ruby: jruby}
+          - {os: windows-2022, ruby: truffleruby}
 
     steps:
-      - name: repo checkout
-        uses: actions/checkout@v2
-
-      - name: load ruby
-        uses: ruby/setup-ruby@v1
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{matrix.ruby}}
+          bundler-cache: true
 
-      - name: RubyGems, Bundler Update
-        run: gem update --system --no-document --conservative
-
-      - name: bundle install
-        run: bundle install --path .bundle/gems --without development
-
-      - name: compile
+      - name: Compile
         run: bundle exec rake compile
 
-      - name: test
+      - name: Test
         run: bundle exec rake spec
         timeout-minutes: 10