Context:

With OPT-3505, the user operations log import has been extended to handle multiple different suspension operations. However, some limitations still exist, especially around the `executionDate` parameter available for some of the endpoints. This should be documented accordingly. 

Relevant pages:

• https://docs.camunda.org/optimize/develop/technical-guide/supported-environments/#camunda-bpm-platform 
• https://docs.camunda.org/optimize/develop/technical-guide/update/3.0-to-3.1/ 
• https://docs.camunda.org/enterprise/announcement/#camunda-optimize-3-1 

AT:

• The current state of the user log import has been documented 
• It has been documented that this needs engine 7.11.13 or higher to work properly