ci: fix sdk gen

.github/workflows/sdk.yml

@@ -18,6 +18,8 @@ jobs:
         uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
+          ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
 
       - name: Setup Bun
         uses: ./.github/actions/setup-bun