Clear runner cache from the Settings > CI/CD page
Description
Note: This issue is an improvement of https://gitlab.com/gitlab-org/gitlab-ce/issues/41249.
Clearing the runner cache is done using a button in the pipeline list page. We can implement also a proper setting in Settings > CI/CD to accomplish the same task. The main blocker at the moment is that Settings page is available only to Masters, and we want also Developers to access this feature.
I consider this to be blocked until we change our Settings in order to allow developers to (partially) access them: https://gitlab.com/gitlab-org/gitlab-ce/issues/39038.
Design
right under the content within runner settings in ci/cd settings
Edited by Dimitrie Hoekstra