Merge pull request #3264 from ruby/dependabot/bundler/gemfiles/3.2/test-unit-3.6.4

Bump test-unit from 3.6.2 to 3.6.4 in /gemfiles/3.2

Author: eileencodes

gemfiles/3.2/Gemfile.lock

@@ -26,7 +26,7 @@ GEM
       logger
     ruby_memcheck (3.0.0)
       nokogiri
-    test-unit (3.6.2)
+    test-unit (3.6.4)
       power_assert
 
 PLATFORMS