chore(deps): update actions/setup-node action to v6 (#628)

Author: renovate[bot]

.github/workflows/build_and_deploy_docs.yaml

@@ -27,7 +27,7 @@ jobs:
           token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 
       - name: Set up Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NODE_VERSION }}
           cache: npm