chore(deps): bump actions/setup-node from 4 to 6 (#13)

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         submodules: true
 
-    - uses: actions/setup-node@v4
+    - uses: actions/setup-node@v6
       with:
         node-version: 20