customize ci.yml for ruby 2.5: onl run on intel MacOS

Author: kkohrt

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '3.3', '3.2', '3.1', '3.0', '2.7', '2.6', '2.5' ]
+        ruby: [ '3.3', '3.2', '3.1', '3.0', '2.7', '2.6' ]
     runs-on: macos-latest
     steps:
       - name: Checkout
@@ -57,7 +57,33 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-          rubygems: ${{ (matrix.ruby_version < '2.6' && '3.2.3') || 'latest' }}
+          rubygems: ${{ 'latest' }}
+      - name: Install bundler
+        run: gem install bundler -v '2.4.22'
+      - name: Install dependencies
+        run: bundle install
+      - name: Run test
+        run: rake
+      - name: Install gem
+        run: rake install
+  macos-intel:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: [ '2.5' ]
+    runs-on: macos-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install V8
+        run: |
+          brew update
+          brew install v8
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          rubygems: ${{ '3.2.3' }}
       - name: Install bundler
         run: gem install bundler -v '2.2.16'
       - name: Install dependencies