Ruby

[rubygems/rubygems] Update GitHub organization of Standard Ruby

What was the end-user or developer problem that led to this PR?¶

The old URL https://github.com/testdouble/standard is mentioned.

What is your fix for the problem, implemented in this PR?¶

This PR updates to the new URL https://github.com/standardrb/standard.

https://github.com/rubygems/rubygems/commit/eeafba72fc