Update coverage step in CI

Author: leburgel

.github/workflows/CI.yml

@@ -41,6 +41,8 @@ jobs:
           report_paths: test-results/results.xml
 
       - name: Code Coverage Summary Report
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           files: code-coverage/coverage.xml