chore(deps): update codecov/codecov-action action to v6 (#266)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -80,7 +80,7 @@ jobs:
         run: pnpm run test:coverage
 
       - name: ☂ Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           fail_ci_if_error: true