Action - add 2 Windows head builds

.github/workflows/tests.yml

@@ -10,10 +10,11 @@ jobs:
         os: [ubuntu]
         ruby: ['2.5', '2.6', '2.7', '3.0', '3.1', '3.2', head, jruby, jruby-head, truffleruby, truffleruby-head]
         include:
-          - os: macos
-            ruby: '2.5'
-          - os: windows
-            ruby: '2.5'
+          - { os: macos  , ruby: '2.5' }
+          - { os: windows, ruby: '2.5' }
+          # head builds
+          - { os: windows, ruby: ucrt  }
+          - { os: windows, ruby: mswin }
     runs-on: ${{ matrix.os }}-latest
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.os == 'windows' }}
     steps:
@@ -27,10 +28,6 @@ jobs:
         rubygems: '3.2.3'
         bundler-cache: true
 
-    - name: Install other dependencies
-      if: matrix.os == 'windows'
-      run: choco install zip
-
     - name: Run the tests
       env:
         RUBYOPT: -v