Update test matrix

Author: AA-Turner

.github/workflows/test.yml

@@ -1,50 +1,36 @@
 name: Test
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   tests:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10-dev]
-      max-parallel: 1
+        python:
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12-dev"
+      fail-fast: false
 
     steps:
-      - name: Print github context
-        env:
-          GITHUB_CONTEXT: ${{ toJson(github) }}
-        run: echo $GITHUB_CONTEXT
-
-      - name: Checkout code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 1
-
-      - name: pycache
-        uses: actions/cache@v2
-        id: pycache
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-
-      - name: Setup python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        if: "!endsWith(matrix.python-version, '-dev')"
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Setup python ${{ matrix.python-version }} (via deadsnakes)
-        uses: deadsnakes/action@v2.1.1
-        if: "endsWith(matrix.python-version, '-dev')"
+      - uses: actions/checkout@v3
+      - name: Setup Python ${{ matrix.python }}
+        uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Install tox and test related
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox tox-gh-actions
+          python -m pip install --upgrade tox
 
       - name: Run tox
         run: |
@@ -55,23 +41,21 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        env: [flake8, mypy]
+        env:
+          - flake8
+          - mypy
 
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 1
-
+      - uses: actions/checkout@v3
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: "3"
 
-      - name: Install tox and any other dependencies for test
+      - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox tox-gh-actions
+          python -m pip install --upgrade tox
 
       - name: Run tox
         run: tox -e ${{ matrix.env }}