When restricting the content_types which the agent one was forgotten in the list which the Stackable Nexus actively sends.
This PR adds "application/x-tgz" to the default list of allowed content types.
Description
Review Checklist
[x] Code contains useful comments
[x] (Integration-)Test cases added (or not applicable)
When restricting the content_types which the agent one was forgotten in the list which the Stackable Nexus actively sends. This PR adds "application/x-tgz" to the default list of allowed content types.
Description
Review Checklist