Update github action versions

Author: bigspider

.github/workflows/run-tests.yml

@@ -25,7 +25,7 @@ jobs:
         with:
           python-version: '3.10'
       - name: Clone
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Install pip and pytest
         run: |
           apt-get update
@@ -39,12 +39,12 @@ jobs:
       - name: Run tests and capture output
         run: pytest -vv
       - name: Upload test output as artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: test-output
           path: test_output.txt
       - name: Upload markdown report as artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: report.md
           path: report.md