update github workflow

Author: Mr-Python-in-China

.github/workflows/test.yml

@@ -8,26 +8,33 @@ jobs:
   build:
     strategy:
       matrix:
-        platform: [ubuntu-20.04, windows-latest]
+        platform: [ubuntu-22.04, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Python 3.6
+      - name: Set up Python 3.6 (Windows)
+        if: matrix.platform == 'windows-latest'
         uses: actions/setup-python@v4
         with:
-          python-version: '3.6'
+          python-version: "3.6"
+      - name: Set up Python 3.6 (Ubuntu)
+        if: matrix.platform == 'ubuntu-22.04'
+        run: |
+          sudo add-apt-repository ppa:deadsnakes/ppa
+          sudo apt-get update
+          sudo apt-get install -y python3.6
       - name: Set up Python 3.8
         uses: actions/setup-python@v4
         with:
-          python-version: '3.8'
+          python-version: "3.8"
       - name: Set up Python 3.10
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: "3.10"
       - name: Set up Python 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: '3.12'
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip