fix(FN-4236): add checkout and reorder Bun in ci workflow

Fusion-Task-Id: FN-4236
Fusion-Task-Lineage: ce535be6-d2a8-477c-b89a-fd25b337466b

.github/workflows/ci.yml

@@ -10,6 +10,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Setup Node and install dependencies
         uses: ./.github/actions/setup-node-pnpm
 
@@ -25,6 +28,9 @@ jobs:
         shard: [1, 2, 3]
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Setup Node and install dependencies
         uses: ./.github/actions/setup-node-pnpm
 
@@ -37,15 +43,18 @@ jobs:
     needs: [lint, test-shards]
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Setup Node and install dependencies
         uses: ./.github/actions/setup-node-pnpm
 
-      - name: Build workspace
-        run: pnpm build
-
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
 
+      - name: Build workspace
+        run: pnpm build
+
       - name: Run CLI slow lane (opt-in suites)
         run: pnpm test:slow-cli