Merge pull request rails#52123 from yahonda/bump_stringio_311

Bump stringio to 3.1.1

Author: yahonda

Gemfile.lock

@@ -562,7 +562,7 @@ GEM
     stackprof (0.2.25)
     stimulus-rails (1.3.0)
       railties (>= 6.0.0)
-    stringio (3.1.0)
+    stringio (3.1.1)
     sucker_punch (3.2.0)
       concurrent-ruby (~> 1.0)
     syntax_tree (6.1.1)