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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -30,6 +30,6 @@ jobs:
       - run: pnpm lint
       - run: pnpm lint:play
       - run: pnpm vitest run
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}