Update test matrix and add scheduled tests

.github/workflows/tests.yml

@@ -1,39 +1,58 @@
 name: Tests
 
-on:  
+on:
   push:
     branches:
       - main
   pull_request:
     branches:
       - main
+    paths:
+      - .github/workflows/tests.yml
+      - pyproject.toml
+      - s2fft/**
+      - tests/**
+      - .coveragerc
+      - CMakesLists.txt
+  schedule:
+    - cron: 0 0 * * 0
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-latest]
+        include:
+          - os: macos-latest
+            python-version: "3.8"
+      fail-fast: false
 
     steps:
     - name: Checkout Source
-      uses: actions/checkout@v2.3.1
-    
+      uses: actions/checkout@v4
+
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-
+        cache: pip
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install .[tests]
-    
+
     - name: Run tests
       run: |
-        pytest --cov-report=xml --cov=s2fft --cov-config=.coveragerc
-  
+        pytest -v --cov-report=xml --cov=s2fft --cov-config=.coveragerc
+
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v3
       env: