Website: Update node version in ci

Author: iddan

.github/workflows/website.yml

@@ -11,10 +11,10 @@ jobs:
     if: github.event_name != 'push'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20
       - name: Test Build
         run: |
           yarn install --frozen-lockfile;
@@ -25,10 +25,10 @@ jobs:
     if: github.event_name != 'pull_request'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20
       - uses: webfactory/ssh-agent@v0.5.0
         with:
           ssh-private-key: ${{ secrets.GH_PAGES_DEPLOY }}