Update release.yml

Author: WeihanLi

.github/workflows/release.yml

@@ -71,9 +71,11 @@ jobs:
     - name: Export Release Version
       run: dnx -y dotnet-execute https://github.com/OpenReservation/scripts/blob/main/build/export-gh-release-version.cs
     - name: Download artifacts
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v4 # https://github.com/actions/download-artifact
       with:
         path: dist
+        merge-multiple: true
+
     - name: Create Github Release
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}