docs: add Zendesk to the Pro Integrations tool reference#15215

Maffooch merged 2 commits into

DefectDojo:bugfixDefectDojo/django-DefectDojo:bugfixfrom

devGregA:sc-13646_zendesk_docsdevGregA/django-DefectDojo:sc-13646_zendesk_docsCopy head branch name to clipboard