Update coverage.yml

Author: adryyan

.github/workflows/coverage.yml

@@ -37,6 +37,6 @@ jobs:
     - uses: actions/setup-python@v5
       with:
         python-version: "3.12"
-    - run: python3 -m pip install --system nox
+    - run: python3 -m pip install nox
     - run: nox -s cov
     - uses: AndreMiras/coveralls-python-action@develop