Update tests.yml

Author: open-schnick

.github/workflows/tests.yml

@@ -16,5 +16,5 @@ jobs:
       - name: Run tests with maven.
         run: mvn -B test --file pom.xml
       - name: upload codecov
-        run: bash <(curl -s https://codecov.io/bash) -vZ -t ${{ secrets.CODECOV_TOKEN }}
+        run: bash <(curl -s https://codecov.io/bash) -vZ