Merge pull request #2145 from ruby/dependabot/bundler/stringio-3.1.2

Bump stringio from 3.1.1 to 3.1.2

Author: soutaro

Gemfile.lock

@@ -137,7 +137,7 @@ GEM
       securerandom (>= 0.1)
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
-    stringio (3.1.1)
+    stringio (3.1.2)
     strong_json (2.1.2)
     strscan (3.1.2)
     tempfile (0.2.1)