chore(deps): update codecov/codecov-action action to v6

Author: renovate[bot]

.github/workflows/check.yml

@@ -30,7 +30,7 @@ jobs:
           args: "-- --test-threads 1"
 
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v4.6.0
+        uses: codecov/codecov-action@v6.0.0
         with:
           token: ${{secrets.CODECOV_TOKEN}}