Try codecov action v5

Author: heerener

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
       run: tox
     - name: "Upload coverage to Codecov"
       if: ${{matrix.python-version == '3.12'}}
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         fail_ci_if_error: false