Update minitest to version 5.25.0 (#35)

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

Author: depfu[bot]

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     http_headers-utils (0.2.0)
-    minitest (5.24.1)
+    minitest (5.25.0)
     rake (13.2.1)
 
 PLATFORMS