Merge pull request #306 from ruby-i18n/dependabot/bundler/test-unit-3.6.8

Bump test-unit from 3.6.7 to 3.6.8

Author: movermeyer

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
     parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
-    power_assert (2.0.4)
+    power_assert (2.0.5)
     prism (1.4.0)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -129,7 +129,7 @@ GEM
     semver2 (3.4.2)
     sorbet-runtime (0.5.12130)
     stringio (3.1.2)
-    test-unit (3.6.7)
+    test-unit (3.6.8)
       power_assert
     thor (1.3.2)
     thread_safe (0.3.6)