Merge pull request #48 from nobu/ci-windows

Update versions to test

Author: hsbt

.github/workflows/test.yml

@@ -7,8 +7,18 @@ jobs:
     name: build (${{ matrix.ruby }} / ${{ matrix.os }})
     strategy:
       matrix:
-        ruby: [ 3.1, '3.0', 2.7, 2.6, 2.5, head, truffleruby-head ]
-        os: [ ubuntu-latest, macos-latest ]
+        ruby: [ 3.1, '3.0', 2.7, head, truffleruby-head ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        include:
+          - ruby: mswin
+            os: windows-latest
+          - ruby: mingw
+            os: windows-latest
+        exclude:
+          - ruby: head
+            os: windows-latest
+          - ruby: truffleruby-head
+            os: windows-latest
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3