update action versions to latest

.github/workflows/pythonapp.yml

@@ -17,9 +17,9 @@ jobs:
       matrix:
         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@v4.7.1
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -59,7 +59,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: psf/black@stable
 
   finish-coveralls:

.github/workflows/pythonpublish.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4.7.1
       with:
         python-version: '3.x'
     - name: Install dependencies

.github/workflows/sphinx-ghpages.yaml

@@ -7,14 +7,14 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Standard drop-in approach that should work for most people.
       - uses: ammaraskar/sphinx-action@master
         with:
           docs-folder: "docs/"
       # Great extra actions to compose with:
       # Create an artifact of the html output.
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v3.1.3
         with:
           name: DocumentationHTML
           path: docs/_build/html/