Merge pull request #152 from isometry/dependabot/github_actions/codecov/codecov-action-4

Author: isometry

.github/workflows/codecov.yml

@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}