Bump honeycomb-beeline from 2.4.2 to 2.6.0 in /src/supermarket

Bumps [honeycomb-beeline](https://github.com/honeycombio/beeline-ruby) from 2.4.2 to 2.6.0.
- [Release notes](https://github.com/honeycombio/beeline-ruby/releases)
- [Changelog](https://github.com/honeycombio/beeline-ruby/blob/main/CHANGELOG.md)
- [Commits](honeycombio/beeline-ruby@v2.4.2...v2.6.0)

---
updated-dependencies:
- dependency-name: honeycomb-beeline
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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