ci: run check on multiple os

Author: meteorlxy

.github/workflows/check.yml

@@ -9,19 +9,20 @@ on:
 
 jobs:
   check:
-    runs-on: ubuntu-latest
-
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node: [12.x, 14.x]
+
+    runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v2
 
-      - name: Use Node.js ${{ matrix.node-version }}
+      - name: Use Node.js ${{ matrix.node }}
         uses: actions/setup-node@v1
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: ${{ matrix.node }}
 
       - name: Cache dependencies
         uses: actions/cache@v2