BITMAKER-3750: Allow superadmins to transfer project ownership

[reqhiem]

Description

SuperAdmins should be able to change what user owns a project. When making this change, the previous owner should be set as an ADMIN because no project should have more than 1 owner.

Completion criteria:

• Allow superadmins to change the owner of a project.

Issue

https://tasks.bitmaker.dev/issues/3750

Checklist before requesting a review

• [X] I have performed a self-review of my code.
• [X] My code follows the style guidelines of this project.
• [X] I have made corresponding changes to the documentation.
• [X] New and existing tests pass locally with my changes.
• [X] If this change is a core feature, I have added thorough tests.
• [X] If this change affects or depends on the behavior of other estela repositories, I have created pull requests with the relevant changes in the affected repositories. Please, refer to our official documentation.
• [X] I understand that my pull request may be closed if it becomes obvious or I did not perform all of the steps above.