update/build.yaml

.github/workflows/build.yaml

@@ -3,7 +3,7 @@ name: Build
 
 on:
   push:
-  pull_request:
+  pull_request_target:
 
 jobs:
   build:
@@ -19,6 +19,14 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
+        if: always() && github.event_name == 'pull_request'
+
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+        if: always() && github.event_name != 'pull_request'
+
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with: