chore: Add Ruby 3.1 and TruffleRuby to the CI matrix (#129)

Author: dazuma

.github/workflows/conformance.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ["2.5", "2.6", "2.7", "3.0"]
+        ruby-version: ["2.5", "2.6", "2.7", "3.0", "3.1"]
     steps:
     - name: Checkout code
       uses: actions/checkout@v2

.github/workflows/lint.yml

@@ -14,10 +14,10 @@ jobs:
     steps:
     - name: Checkout repo
       uses: actions/checkout@v2
-    - name: Install Ruby 2.7
+    - name: Install Ruby 3.0
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: "2.7"
+        ruby-version: "3.0"
     - name: Install dependencies
       run: "bundle install && gem install --no-document toys"
     - name: Lint

.github/workflows/unit.yml

@@ -25,17 +25,23 @@ jobs:
           - os: ubuntu-latest
             ruby: "3.0"
             flags: "--only --test-unit"
+          - os: ubuntu-latest
+            ruby: "3.1"
+            flags: "--only --test-unit"
           - os: ubuntu-latest
             ruby: jruby
             flags: "--only --test-unit"
+          - os: ubuntu-latest
+            ruby: truffleruby
+            flags: "--only --test-unit"
           - os: macos-latest
-            ruby: "2.7"
+            ruby: "3.0"
             flags: "--only --test-unit"
           - os: windows-latest
-            ruby: "2.7"
+            ruby: "3.0"
             flags: "--only --test-unit"
           - os: ubuntu-latest
-            ruby: "2.7"
+            ruby: "3.0"
             flags: "--only --test-yardoc --test-build --test-examples"
       fail-fast: false
     runs-on: ${{ matrix.os }}