Merge pull request #12481 from nextcloud/renovate/codecov-codecov-action-4.x

Update codecov/codecov-action action to v4

.github/workflows/unit-tests.yml

@@ -39,7 +39,7 @@ jobs:
                     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
                 run: scripts/uploadReport.sh "${{ secrets.LOG_USERNAME }}" "${{ secrets.LOG_PASSWORD }}" ${{github.event.number}} "test" "Unit" ${{github.event.number}}
             -   name: Upload coverage to codecov
-                uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457 # v3.1.6
+                uses: codecov/codecov-action@e0b68c6749509c5f83f984dd99a76a1c1a231044 # v4.0.1
                 with:
                     token: ${{ secrets.CODECOV_TOKEN }}
                     flags: unit