ci: Update CI workflows to support testing Python 3.12

.github/workflows/ci.yaml

@@ -12,28 +12,33 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v4
+
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools wheel
-        pip install --no-cache-dir -e .[test]
-        pip list
+        python -m pip install --upgrade '.[test]'
+        python -m pip list
+
     - name: Lint with Flake8
-      if: matrix.python-version == 3.7 && matrix.os == 'ubuntu-latest'
+      if: matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
       run: |
         flake8 --exclude=tests/* --ignore=E501,W503
+
     - name: Test with pytest
       run: |
-        python -m pytest
+        pytest
+
     - name: Report coverage with Codecov
-      if: github.event_name == 'push' && matrix.python-version == 3.7 && matrix.os == 'ubuntu-latest'
+      if: github.event_name == 'push' && matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
       uses: codecov/codecov-action@v1