Update Node to 18 (#300)

Author: futursolo

.github/workflows/build-website.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v3
         with:
-          node-version: "14.x"
+          node-version: "18"
 
       - name: Build
         run: |