kmz161

Hello! [Current Elastic connector](https://github.com/OpenCTI-Platform/connectors/tree/5.12.29/stream/elastic) create a background thread to poll for matches in the `.siem-signals-*` indices and will record them in OpenCTI as Sightings. But index `.siem-signals-*` is default alert...

Need to fix requirements.txt https://pypi.org/project/itsdangerous/#history