chore: update docs deploy pipeline

Author: boazpoolman

.github/workflows/deploy-docs.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20.x
           cache: yarn
       - name: Install dependencies
         run: cd docs && yarn install --frozen-lockfile --non-interactive