🔧 Update node version for docs build

.github/workflows/deploy_docs.yml

@@ -8,15 +8,15 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2
 
-      - name: Use Node 16
+      - name: Use Node 20
         uses: actions/setup-node@v1
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Build
         run: npm run build-docs