Add CIS Benchmark as a Compliance Standard
### Problem to solve
A [CIS Benchmark for GitLab was released in March 2024](https://downloads.cisecurity.org/#/all). The Benchmark includes measures that customers should follow in order to ensure they are following best practices to use GitLab securely.
### Proposal
Add a CIS Benchmark Compliance Standard to the [Compliance Adherence Report.](https://gitlab.com/groups/gitlab-org/-/epics/7854 "Compliance Adherence Report") This will enable customers to get visibility into whether there are additional measures they need to take in order to comply with the measures recommended in the CIS Benchmark.
### Intended users
[Cameron (Compliance Manager)](https://about.gitlab.com/handbook/marketing/product-marketing/roles-personas/#cameron-compliance-manager)
cc: @g.hickman @sam.white @ayofan @jlongo_gitlab
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