Bump test-unit from 3.6.4 to 3.6.7 in /gemfiles/3.4#3328

dependabot[bot] wants to merge 1 commit intomainruby/prism:mainfrom

dependabot/bundler/gemfiles/3.4/test-unit-3.6.7ruby/prism:dependabot/bundler/gemfiles/3.4/test-unit-3.6.7Copy head branch name to clipboard