Bump gitlab-styles to 6.6.0

See merge request gitlab-org/gitlab!75202

This adds the Performance/Rubyzip cop

Add blocked content entry

See merge request gitlab-org/gitlab!74225

Use helper more consistently in spec file

See merge request gitlab-org/gitlab!75204

Implement corpus upload  - Commit Corpus

See merge request gitlab-org/gitlab!73893

Include pending migrations in pre checks guideline

See merge request gitlab-org/gitlab!75388

Revert "Merge branch '335378-fix-code-owners-section' into 'master'"

See merge request gitlab-org/gitlab!75391

Add cross-link to replication question

See merge request gitlab-org/gitlab!75375

Docs: Update KAS tier badge

See merge request gitlab-org/gitlab!75367

Update SimpleCov filter to not ignore production fixtures

See merge request gitlab-org/gitlab!75299

This reverts merge request !74298

Improve reliability of praefect wait check

See merge request gitlab-org/gitlab!75321

Add steps for adding public email

See merge request gitlab-org/gitlab!75339

Add tests for cluster image scanning security policies

See merge request gitlab-org/gitlab!75013

Change "Detected" to "Needs triage" on vulnerability report and details

See merge request gitlab-org/gitlab!74694

Change default Namespace type from nil to User

See merge request gitlab-org/gitlab!74592

https://gitlab.com/gitlab-org/gitlab/-/issues/345105
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74592

Changelog: changed

Load only one scan_finding rule per MR

See merge request gitlab-org/gitlab!71858

by grouping them based on a policy index which
is passed from project to merge request rules.

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/71858
https://gitlab.com/gitlab-org/gitlab/-/issues/341962

EE: true
Changelog: changed

Remove redis_hll_tracking validation from usage_data

See merge request gitlab-org/gitlab!75151

https://gitlab.com/gitlab-org/gitlab/-/issues/345975

Update Kibana link in Background migrations page

See merge request gitlab-org/gitlab!75284

Remove limited_diff_highlighting feature flag

See merge request gitlab-org/gitlab!65310

CI/CD variables should start with a letter

See merge request gitlab-org/gitlab!75330

Use fixed sha image for dependency proxy test

See merge request gitlab-org/gitlab!75347

Remove ci_predefined_vars_in_builder feature flag

See merge request gitlab-org/gitlab!75009

Prevent secret path race condition when polling Geo API in tests

See merge request gitlab-org/gitlab!75342

Add a new endpoint for pending members

See merge request gitlab-org/gitlab!75225

Change condition of users on public email index

See merge request gitlab-org/gitlab!74895