Merge pull request #8731 from rubygems/segiddins/update-bundled-tls-certs

Update bundled tls certs

Author: segiddins

Manifest.txt

@@ -523,8 +523,7 @@ lib/rubygems/specification.rb
 lib/rubygems/specification_policy.rb
 lib/rubygems/specification_record.rb
 lib/rubygems/ssl_certs/.document
-lib/rubygems/ssl_certs/rubygems.org/GlobalSignRootCA.pem
-lib/rubygems/ssl_certs/rubygems.org/GlobalSignRootCA_R3.pem
+lib/rubygems/ssl_certs/rubygems.org/GlobalSign.pem
 lib/rubygems/stub_specification.rb
 lib/rubygems/target_rbconfig.rb
 lib/rubygems/text.rb