main.yml in alba-3.0.0

- old
+ new
@@ -6,21 +6,21 @@
   build:
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        ruby: [2.7, 3.0, 3.1, 3.2, head, jruby, truffleruby]
+        ruby: ['3.0', 3.1, 3.2, head, jruby, truffleruby]
         gemfile: [all, without_active_support, without_oj]
         exclude:
           - os: windows-latest
             ruby: jruby
           - os: windows-latest
             ruby: truffleruby
     runs-on: ${{ matrix.os }}
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ (matrix.gemfile == 'without_active_support' && 'gemfiles/without_active_support.gemfile') || (matrix.gemfile == 'without_oj' && 'gemfiles/without_oj.gemfile') || null }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true