ci(package): use head commit

.github/workflows/package-pr.yaml

@@ -27,7 +27,7 @@ jobs:
           
       - name: Build Packages
         run: |
-          SHALIST=$(curl "https://api.github.com/repos/$GITHUB_REPOSITORY/pulls/$(jq -r '.pull_request.number' $GITHUB_EVENT_PATH)"/commits | jq '.[].commit.tree.sha' -r)
+          SHALIST=$(git rev-parse HEAD)
           echo "Commits: $SHALIST"
           git log
           docker run -v "${{ github.workspace }}:/piston" docker.pkg.github.com/engineer-man/piston/repo-builder:latest --ci $SHALIST