Merge pull request #237 from ruby-go-gem/dependabot/bundler/test-unit-3.6.7

Author: dependabot[bot]

Gemfile.lock

@@ -145,7 +145,7 @@ GEM
     strscan (3.1.2)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    test-unit (3.6.5)
+    test-unit (3.6.7)
       power_assert
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)