Test Python and OS matrices

.github/workflows/ci.yaml

@@ -16,10 +16,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
+      max-parallel: 1
       matrix:
-        os: [ubuntu-latest]
-        python-version: ["3.11"]
-    timeout-minutes: 60
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        include:  # macos-14 on M1 runners only supported for Python>=3.10
+          - os: macos-14
+            python-version: "3.10"
+          - os: macos-14
+            python-version: "3.11"
+          - os: macos-14
+            python-version: "3.12"
+    timeout-minutes: 180
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -30,6 +38,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip wheel
           pip install ultralytics --extra-index-url https://download.pytorch.org/whl/cpu
+          # pip install ultralytics git+https://github.com/ultralytics/hub-sdk.git@staging --extra-index-url https://download.pytorch.org/whl/cpu
       - name: Check environment
         run: |
           yolo checks