ci: add windows to matrix tests

Signed-off-by: Boris Glimcher <[email protected]>

.github/workflows/test.yml

@@ -1,21 +1,33 @@
 name: test
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 # Push is enough even for PRs from maintainers, but not from contributors
 on: [push, pull_request]
 jobs:
   build:
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         go: [ '1.18', '1.19', '1.20', '1.21' ]
+        os: [macos-latest, windows-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
-      - uses: magefile/mage-action@v3
-        with:
-          version: v1.13.0
-          install-only: true
+
+      - run: |
+          git clone --depth 1 --branch v1.13.0 https://github.com/magefile/mage
+          cd mage
+          go run bootstrap.go
+
+      # - uses: magefile/mage-action@v3
+      #   with:
+      #     version: v1.13.0
+      #     install-only: true
 
       - run: |
           go version