update versions of actions

.github/workflows/master.yml

@@ -16,13 +16,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
+        os: [windows-latest, ubuntu-latest, macos-13]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
-    - uses: actions/checkout@v2
+    - 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
@@ -42,11 +42,11 @@ jobs:
     needs: unittest
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.7
+        python-version: 3.10
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -60,18 +60,18 @@ jobs:
       uses: codecov/codecov-action@v3
       with:
         file: ./coverage.xml
-        
+
   sphinx:
     # If the above worked:
     # Build docs and upload to GH Pages
     needs: unittest
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.7
+        python-version: 3.10
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip