fix(release.yml): update ref to use head_branch instead of head_sha

Author: Ansonhkg

.github/workflows/release.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: ${{ github.event.workflow_run.head_sha }}
+          ref: ${{ github.event.workflow_run.head_branch }}
 
       - name: Setup PNPM
         uses: pnpm/action-setup@v4