Bump flipper-active_record from 0.28.0 to 0.28.1

Bumps [flipper-active_record](https://github.com/jnunemaker/flipper) from 0.28.0 to 0.28.1.
- [Changelog](https://github.com/jnunemaker/flipper/blob/main/Changelog.md)
- [Commits](flippercloud/flipper@v0.28.0...v0.28.1)

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

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

Gemfile.lock

@@ -200,9 +200,9 @@ GEM
     filterrific (5.2.5)
     flipper (0.28.1)
       concurrent-ruby (< 2)
-    flipper-active_record (0.28.0)
+    flipper-active_record (0.28.1)
       activerecord (>= 4.2, < 8)
-      flipper (~> 0.28.0)
+      flipper (~> 0.28.1)
     flipper-ui (0.28.1)
       erubi (>= 1.0.0, < 2.0.0)
       flipper (~> 0.28.1)