Bump bullet from 6.1.0 to 6.1.2 (#15344)

Bumps [bullet](https://github.com/flyerhzm/bullet) from 6.1.0 to 6.1.2.
- [Release notes](https://github.com/flyerhzm/bullet/releases)
- [Changelog](https://github.com/flyerhzm/bullet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flyerhzm/bullet/compare/6.1.0...6.1.2)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -109,7 +109,7 @@ GEM
     brakeman (4.10.0)
     browser (4.2.0)
     builder (3.2.4)
-    bullet (6.1.0)
+    bullet (6.1.2)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     bundler-audit (0.7.0.1)