chore(deps): update codecov/codecov-action action to v6 (#68)

Author: renovate-bot

.github/workflows/main.yml

@@ -44,6 +44,6 @@ jobs:
         run: npm run test
 
       - name: Upload test coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}