Broken link in ruby documentation references

[ervinismu]

Background

I think Ruby Core Reference and Ruby Standard Library Reference link is not properly configured,
it always redirected to the same page when these two links is clicked.

always redirected in this page :

Step To Reproduce

• click Ruby Core Reference
  • open web page and redirected to https://ruby-doc.org/3.2.2/
  • but in button hover link is set to http://www.ruby-doc.org/core
• click Ruby Standard Library Reference
  • open web page and redirected to https://ruby-doc.org/3.2.2/
  • but in button hover link is set to http://www.ruby-doc.org/stdlib

[bovi]

This issue was address in 4717aa8