Bump stringio from 3.1.6 to 3.1.7

Bumps [stringio](https://github.com/ruby/stringio) from 3.1.6 to 3.1.7.
- [Release notes](https://github.com/ruby/stringio/releases)
- [Changelog](https://github.com/ruby/stringio/blob/master/NEWS.md)
- [Commits](ruby/stringio@v3.1.6...v3.1.7)

---
updated-dependencies:
- dependency-name: stringio
  dependency-version: 3.1.7
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -155,7 +155,7 @@ GEM
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 5)
       uri (>= 0.12.0)
-    stringio (3.1.6)
+    stringio (3.1.7)
     strong_json (2.1.2)
     strscan (3.1.3)
     tempfile (0.3.1)