- Use authorize_admin_group! instead of authorize_admin_pipeline!
- Added role-based permission specs for Groups::RunnersController

We had a number of team members struggle to find invited members of a
group. Searching for the e-mail address did not work because search only
works with members with user accounts.

This commit changes two things:

1. Breaks out the invited members into a separate table.
2. Adds search capability for the invited members.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/61948

Now we have terminals for instance and group clusters we can remove the
FF now. Deploying to group clusters has been working without complaints
too.

Add env_var and file as supported types for CI variables. Variables of
type file expose to users existing gitlab-runner behaviour - save
variable value into a temp file and set the path to this file in an ENV
var named after the variable key.

Resolves https://gitlab.com/gitlab-org/gitlab-ce/issues/46806.

Show masked switch for each variable
When toggled on, the variable value will be masked in runner logs
Show warning message if the switch is on but the value is not maskable

This reverts merge request !25476

Add a masked switch to variable rows
Copy some behavior from the protected switch

- concerns
- dashboard
- groups
- import

Move common functionality to BoardsActions concern

- Includes instance methods on Group model to detect when a group has
AutoDevOps explicitly/implicitly enabled/disabled.
- Includes migration to add a new column to namespaces table
- Add UI necessary modifications
- Add service and controller to update auto devops
related instances
- Updates project and groups auto devops badges

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/52447

In order to have an accurate date about the last activity of a User
we need to update the last_activity_on field when the User is visiting
some basic pages of GitLab like pages related to Dashboards, Projects,
Issues and Merge Requests

Adds to search ILIKE search for milestones title in:
  - Milestones dashboard
  - Group milestones page
  - Project milestones page