Update actions/setup-node action to v6 (#628)

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

Author: renovate[bot]

.github/workflows/check-links.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         env:
           FORCE_COLOR: 0
         with: