add macos to test matrix

Author: mustafasoylu

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: ["ubuntu-latest"]
+        os: ["ubuntu-latest", "macos-latest"]
         python-version: ["3.8", "3.9", "3.10"]
     runs-on: ${{ matrix.os }}