Merge pull request #3320 from ruby/dependabot/bundler/gemfiles/truffleruby/test-unit-3.6.5

Bump test-unit from 3.6.4 to 3.6.5 in /gemfiles/truffleruby

Author: kddnewton

gemfiles/truffleruby/Gemfile.lock

@@ -15,7 +15,7 @@ GEM
     rake (13.2.1)
     rake-compiler (1.2.8)
       rake
-    test-unit (3.6.4)
+    test-unit (3.6.5)
       power_assert
 
 PLATFORMS