Bump bugsnag from 6.27.1 to 6.28.0 (#5296)

Bumps [bugsnag](https://github.com/bugsnag/bugsnag-ruby) from 6.27.1 to 6.28.0.
- [Release notes](https://github.com/bugsnag/bugsnag-ruby/releases)
- [Changelog](https://github.com/bugsnag/bugsnag-ruby/blob/master/CHANGELOG.md)
- [Commits](bugsnag/bugsnag-ruby@v6.27.1...v6.28.0)

---
updated-dependencies:
- dependency-name: bugsnag
  dependency-version: 6.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -135,7 +135,7 @@ GEM
       sassc-rails (>= 2.0.0)
     brakeman (7.0.2)
       racc
-    bugsnag (6.27.1)
+    bugsnag (6.28.0)
       concurrent-ruby (~> 1.0)
     builder (3.3.0)
     bullet (8.0.8)