chore(deps): bump activesupport from 7.2.2.2 to 7.2.3 in /example

Bumps [activesupport](https://github.com/rails/rails) from 7.2.2.2 to 7.2.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v8.1.1/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v7.2.2.2...v7.2.3)

---
updated-dependencies:
- dependency-name: activesupport
  dependency-version: 7.2.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

example/Gemfile.lock

@@ -5,7 +5,7 @@ GEM
       base64
       nkf
       rexml
-    activesupport (7.2.2.2)
+    activesupport (7.2.3)
       base64
       benchmark (>= 0.3)
       bigdecimal