Merge pull request #3327 from ruby/dependabot/bundler/gemfiles/3.0/test-unit-3.6.7

Bump test-unit from 3.6.4 to 3.6.7 in /gemfiles/3.0

Author: kddnewton

gemfiles/3.0/Gemfile.lock

@@ -26,7 +26,7 @@ GEM
       logger
     ruby_memcheck (3.0.0)
       nokogiri
-    test-unit (3.6.4)
+    test-unit (3.6.7)
       power_assert
 
 PLATFORMS