Merge pull request #69 from yeger00/fix-upload-artifact

Update to version 4

Author: yeger00

.github/workflows/test-pkg.yml

@@ -30,7 +30,7 @@ jobs:
         run: PYTEST_FLAGS='--cov-report html --cov-report term --cov=pylspclient --cov-branch' make test
 
       - name: upload coverage
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: ./htmlcov