Update auto-update.yml

.github/workflows/auto-update.yml

@@ -44,6 +44,11 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref: bot/auto-update
+      - name: Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+          cache: 'npm'
       - name: Install Dependencies
         run: npm install
       - name: Run Grabber