Enhancement: Update codecov/codecov-action

Author: localheinz

.github/workflows/ci.yml

@@ -184,7 +184,7 @@ jobs:
         run: ./phpunit --coverage-clover=coverage.xml
 
       - name: Send code coverage report to Codecov.io
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}