chore(website): update the node version

Author: orhun

.github/workflows/website.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
           cache-dependency-path: ./website/package-lock.json
       - name: Install dependencies
@@ -57,7 +57,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
           cache-dependency-path: ./website/package-lock.json
       - name: Install dependencies