ci: bump code cov action

Author: Logic-py

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
 
       - run: cargo llvm-cov --all-features --lcov --output-path lcov.info
 
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         with:
           files: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}