Allow setting --max-fd argument to uwsgi to stop it from getting OOMKilled in Kubernetes

[tmablunar]

Description

Reopening https://github.com/DefectDojo/django-DefectDojo/pull/9564

This PR fixes the issue described in issue https://github.com/DefectDojo/django-DefectDojo/issues/9562 regarding uWSGI that under some circumstances will take up an unnecessary amount of resources on a kubernetes node leading to the pod getting OOMKilled.

We introduce the possibility to set the --max-fd argument when starting up uWSGI to mitigate this issue.

Test results

I have tested the fix on a kubernetes cluster where it prevented the pod from getting OOMKilled. For more information see https://github.com/DefectDojo/django-DefectDojo/issues/9562.

Documentation

It is not clear to me where the documentation should be updated.