Show upstream group-level protected environments in the project-level CI/CD setting page
### Release notes Previously, there was no way to see if there are upstream group-level protected environment settings when viewing a project's configuration settings. In 15.3, you can now see these setting in the project's protected environment configuration settings. ### Problem For the project maintainers, they have no idea whether their projects are affected by [group-level protected environments](https://docs.gitlab.com/ee/ci/environments/protected_environments.html#group-level-protected-environments). We should give them visibility that what protected environment rules are coming down from the upstream group/organization. ### Proposal ~"GitLab Premium" See mockup. ## Implementation plan ~backend - [ ] Return environments protected by upstream groups (for project-level view) ~frontend - [ ] Add display for environments protected by upstream groups
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