⬆️ Update codecov/codecov-action action to v7 (#2141)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/tests.yml

@@ -142,6 +142,6 @@ jobs:
           nox --force-color --session=coverage -- xml
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v6.0.2
+        uses: codecov/codecov-action@v7.0.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}