2.9.0

Breaking changes

• None

New features

• Add realert_key option to silence groups of alerts - #1004 - @Goggin

Other changes

• Upgrade pylint 2.15.3 to 2.15.5, pytest 7.1.3 to 7.2.0, pytest-xdist 2.5.0 to 3.0.2, sphinx 5.2.3 to 5.3.0, tox 3.26.0 to 3.27.0 - #988 - @nsano-rururu
• Upgrade to Python 3.11 - #989 - @jertel
• Add support for Kibana 8.5 for Kibana Discover - #993 - @nsano-rururu
• [Amazon SNS] Fix Amazon SNS Alerter - #1003 - @nsano-rururu
• [Mattermost] Add mattermost_emoji_override - #1011 - @nsano-rururu
• Add support for disabling verification of SSL certificate for the Kibana Shorten URL API - #1013 - @BenJeau