Add install step on formatting CI

Author: TucksonDev

.github/workflows/format.yml

@@ -7,8 +7,8 @@ on:
       - master
 
 jobs:
-  check-formatting:
-    name: 'Check Formatting'
+  install:
+    name: "Install"
     runs-on: ubuntu-latest
     steps:
       - name: Checkout files
@@ -17,5 +17,16 @@ jobs:
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
 
+  check-formatting:
+    name: 'Check Formatting'
+    runs-on: ubuntu-latest
+    needs: install
+    steps:
+      - name: Checkout files
+        uses: actions/checkout@v4
+
+      - name: Restore node_modules
+        uses: OffchainLabs/actions/node-modules/restore@main
+
       - name: Check formatting with Prettier
-        run: yarn prettier:format
+        run: yarn prettier:format