Bump sqlite3 from 2.3.0 to 2.3.1 in /graph-sample

Bumps [sqlite3](https://github.com/sparklemotion/sqlite3-ruby) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/sparklemotion/sqlite3-ruby/releases)
- [Changelog](https://github.com/sparklemotion/sqlite3-ruby/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/sqlite3-ruby@v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: sqlite3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

graph-sample/Gemfile.lock

@@ -254,7 +254,7 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
-    sqlite3 (2.3.0-x86_64-linux-gnu)
+    sqlite3 (2.3.1-x86_64-linux-gnu)
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
     stringio (3.1.1)