[MVC] - Create To-Dos for group owners on request access

Release Notes

Previously, access requests to a group appeared only in the Access requests tab in the Group members section. Now, access requests also appear in the group owner's To-Do list. As a group owner, having access requests added directly to your To-Do List can help you manage your tasks more efficiently and add members quicker.

Problem Statement

1. We need to send To-Do notifications to group owners when someone raises access request for the group. Refer &8766 for more details.
2. This issue represents one of the sub tasks of the solution for the feature.
3. Here we need to create To-Dos for the 10 most recently active owners of the group for which an access request is raised by some user.
4. The To-Do will have following content
5. The link will take the user to access_requests tab and it will be something like https://gitlab.com/groups/<group_name>/-/group_members?tab=access_requests
6. Refer gitlab-foss!32141 (merged) for sending emails to 10 users when access request is raised.

Availability and Testing

• E2E tests will be added to support this feature in 15.7 Manage:Workspace Test Additions and Updates (#377544 - closed)