[css-ruby] Update the link to the test suite

Author: xfq

css-ruby-1/Overview.bs

@@ -7,7 +7,7 @@ Work Status: Revising
 Group: csswg
 ED: https://drafts.csswg.org/css-ruby-1/
 TR: https://www.w3.org/TR/css-ruby-1/
-Test Suite: https://www.w3.org/International/tests/repo/results/css-ruby
+Test Suite: https://w3c.github.io/i18n-tests/results/css-ruby
 Previous Version: https://www.w3.org/TR/2021/WD-css-ruby-1-20211202/
 Previous Version: https://www.w3.org/TR/2021/WD-css-ruby-1-20210310/
 Previous Version: https://www.w3.org/TR/2020/WD-css-ruby-1-20200429/