utils/spdx: use refs/tags/ URL to fetch SPDX data

Author: ZhongRuoyu

Library/Homebrew/utils/spdx.rb

@@ -34,7 +34,7 @@ def latest_tag
 
   sig { params(to: Pathname).void }
   def download_latest_license_data!(to: DATA_PATH)
-    data_url = "https://raw.githubusercontent.com/spdx/license-list-data/#{latest_tag}/json/"
+    data_url = "https://raw.githubusercontent.com/spdx/license-list-data/refs/tags/#{latest_tag}/json/"
     Utils::Curl.curl_download("#{data_url}licenses.json", to: to/"spdx_licenses.json")
     Utils::Curl.curl_download("#{data_url}exceptions.json", to: to/"spdx_exceptions.json")
   end