chore: manual fetch main branch

.github/workflows/ci.yml

@@ -2,8 +2,6 @@ name: CI
 on:
   push:
     branches: [ "main" ]
-  pull_request_target:
-    branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
 jobs:
@@ -13,6 +11,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 1
+      - name: Fetch main branch
+        run: git fetch origin main --depth=1
       - name: Config Git User
         run: |
           git config --local user.name "dragooncjw"