Update actions

.github/workflows/workflow.yml

@@ -13,8 +13,8 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v4
       with:
         python-version: 3.8
     - name: Black
@@ -25,18 +25,18 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', 'pypy3.10']
-        sphinx-version: ['4', '5', '6']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', 'pypy3.10']
+        sphinx-version: ['4', '5', '6', '7']
         include:
           - python-version: '3.7'
             sphinx-version: '3'
           - python-version: '3.7'
             sphinx-version: '2'
     name: "Test Extension - Python(${{ matrix.python-version }}), Sphinx(${{ matrix.sphinx-version }})"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -55,13 +55,13 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.ref, 'refs/tags/')
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.8'
       - name: Install Dependencies
         run: |
           python -m pip install --upgrade pip