chore: add macos, linux in ci

Author: get-me-power

.github/workflows/ci.yml

@@ -8,7 +8,10 @@ on:
 
 jobs:
   build:
-    runs-on: windows-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@main
       - name: Setup .NET