update test workflow

Author: prohde

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Start the Docker container with the test data
       run: |
         cd tests
@@ -26,7 +26,7 @@ jobs:
       run: |
         until $(curl --output /dev/null --silent --head --fail http://localhost:9000/sparql); do printf '.'; sleep 1; done
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
     - name: Install dependencies