Merge pull request #19 from codecov/switch-to-v4-beta

Switch to v4 beta

Author: thomasrockhu-codecov

.github/workflows/ci.yml

@@ -19,6 +19,6 @@ jobs:
       run: |
         pytest --cov --cov-report xml
     - name: Upload coverage reports to Codecov with GitHub Action
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v4-beta
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_ORG_TOKEN }}