Updated the github actions workflow to use v4 of artifact and action

Author: kasimlyee

.github/workflows/tests.yml

@@ -38,7 +38,7 @@ jobs:
           pytest Tests/ -v --cov=jsweb --cov-report=xml --cov-report=html --cov-report=term-missing
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: ./coverage.xml
           flags: unittests
@@ -48,7 +48,7 @@ jobs:
 
       - name: Archive coverage reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-report-py${{ matrix.python-version }}
           path: htmlcov/