Fetch bundled gem from stdgems.org for Windows CI

Author: pocke

.github/workflows/windows.yml

@@ -27,41 +27,12 @@ jobs:
         run: |
           ruby -e '
             exit if "${{ matrix.ruby }}" != "ucrt" && "${{ matrix.ruby }}" != "mswin"
-            # bundled_gems = Dir.glob("D:/ruby-${{ matrix.ruby }}/lib/ruby/gems/*/cache/*.gem")
-            #   .map { |path| File.basename(path, ".gem")[/^(.+)-[^-]+$/, 1] }
-            bundled_gems = %w[
-              abbrev
-              base64
-              bigdecimal
-              csv
-              debug
-              drb
-              getoptlong
-              matrix
-              minitest
-              mutex_m
-              net-ftp
-              net-imap
-              net-pop
-              net-smtp
-              net-telnet
-              nkf
-              observer
-              prime
-              power_assert
-              racc
-              rake
-              rbs
-              repl_type_completor
-              resolv-replace
-              rexml
-              rinda
-              rss
-              test-unit
-              syslog
-              typeprof
-              xmlrpc
-            ]
+
+            require "open-uri"
+            require "json"
+
+            res = URI.parse('https://stdgems.org/bundled_gems.json').read
+            bundled_gems = JSON.parse(res)['gems'].map{_1['gem']}
             system "gem uninstall #{bundled_gems.join(" ")}", exception: true
           '
       - name: bundle install