build(deps): bump cookstyle from 8.6.10 to 8.7.6

build(deps): bump cookstyle from 8.6.10 to 8.7.6

Bumps [cookstyle](https://github.com/chef/cookstyle) from 8.6.10 to 8.7.6.
- [Release notes](https://github.com/chef/cookstyle/releases)
- [Changelog](https://github.com/chef/cookstyle/blob/main/CHANGELOG.md)
- [Commits](https://github.com/chef/cookstyle/compare/v8.6.10...v8.7.6)

---
updated-dependencies:
- dependency-name: cookstyle
  dependency-version: 8.7.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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