Merge branch '422283-add-ci-cd-for-ext-rep-to-reg-features' into 'master'

Add CI/CD for external repositories to docs list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138649



Merged-by: Lorena Ciutacu <lciutacu@gitlab.com>
Approved-by: Lorena Ciutacu <lciutacu@gitlab.com>
Co-authored-by: Taras Taday <ttaday-ext@gitlab.com>

doc/administration/settings/usage_statistics.md

@@ -74,6 +74,7 @@ In the following table, you can see:
 | [Сross-project pipelines with artifacts dependencies](../../ci/yaml/index.md#needsproject) | GitLab 16.7 and later |
 | [Feature flag related issues](../../operations/feature_flags.md#feature-flag-related-issues) | GitLab 16.7 and later |
 | [Merged results pipelines](../../ci/pipelines/merged_results_pipelines.md) | GitLab 16.7 and later |
+| [CI/CD for external repositories](../../ci/ci_cd_for_external_repos/index.md) | GitLab 16.7 and later |
 | [CI/CD for GitHub](../../ci/ci_cd_for_external_repos/github_integration.md) | GitLab 16.7 and later |
 
 ### Enable registration features