fix: PR 시 브랜치를 못 찾는 문제 수정

Author: mingkyeongg

.github/workflows/develop-cd.yml

@@ -27,7 +27,8 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.event.inputs.branch || github.ref_name }}
+          fetch-depth: 0
+          ref: ${{ github.head_ref || github.ref || github.event.inputs.branch || 'test' }}
 
       - name: Set up Node.js
         uses: actions/setup-node@v3