Bump stringio from 3.1.4 to 3.1.5

Bumps [stringio](https://github.com/ruby/stringio) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/ruby/stringio/releases)
- [Changelog](https://github.com/ruby/stringio/blob/master/NEWS.md)
- [Commits](ruby/stringio@v3.1.4...v3.1.5)

---
updated-dependencies:
- dependency-name: stringio
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -363,7 +363,7 @@ GEM
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
     stemmify (0.0.2)
-    stringio (3.1.4)
+    stringio (3.1.5)
     thor (1.3.2)
     tilt (2.6.0)
     timeout (0.4.3)
@@ -597,7 +597,7 @@ CHECKSUMS
   sprockets (4.2.1) sha256=951b13dd2f2fcae840a7184722689a803e0ff9d2702d902bd844b196da773f97
   sprockets-rails (3.5.2) sha256=a9e88e6ce9f8c912d349aa5401509165ec42326baf9e942a85de4b76dbc4119e
   stemmify (0.0.2) sha256=81d529fde51aa206ebbf61f6a142fc41882a1259e1e0f7f783cf6b8ef6aafbc9
-  stringio (3.1.4) sha256=7dd68f6f1a88610817c21f6d926dbf36e1fc585d3869fcd4a56c1f3210591d70
+  stringio (3.1.5) sha256=bca92461515a131535743bc81d5559fa1de7d80cff9a654d6c0af6f9f27e35c8
   thor (1.3.2) sha256=eef0293b9e24158ccad7ab383ae83534b7ad4ed99c09f96f1a6b036550abbeda
   tilt (2.6.0) sha256=263d748466e0d83e510aa1a2e2281eff547937f0ef06be33d3632721e255f76b
   timeout (0.4.3) sha256=9509f079b2b55fe4236d79633bd75e34c1c1e7e3fb4b56cb5fda61f80a0fe30e