Update jekyll.yml

Author: keithamus

.github/workflows/jekyll.yml

@@ -43,6 +43,25 @@ jobs:
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v2
+      - name: Restore npm cache
+        uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+      - uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-node-modules-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-modules-
+      - name: Use Node.js 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+      - name: Install dependencies
+        run: npm install
       - name: Generate Data
         run: make generated_data
       - name: Build with Jekyll