chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/nodejs.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.3.0
+    - uses: actions/checkout@v6.0.0
     - uses: actions/setup-node@v4.4.0
       with:
          node-version: '18.20.8'