Allow force pushes to template, solution, auxiliary and test repos for instructors

[maximiliansoelch]

Is your feature request related to a problem?

As an instructor, it is currently not possible to force push to template, solution, auxiliary and test repos.

Describe the solution you'd like

Allow force pushing for instructors to template, solution, auxiliary and test repos.

Describe alternatives you've considered

No response

Additional context

No response