Update minitest to version 5.25.2 (#99)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Author: depfu[bot]

Gemfile.lock

@@ -16,7 +16,7 @@ GEM
     concurrent-ruby (1.2.3)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    minitest (5.25.1)
+    minitest (5.25.2)
     rake (13.2.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)