Update lint-and-test.yml

Author: kbonney

Diff for: .github/workflows/lint-and-test.yml

@@ -7,8 +7,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ['3.8', '3.9', '3.10', '3.11']
+      fail-fast: false
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}