Changelog for Demo Generator 0.15.0

Warnings

• This version requires Altworx 23.10.0+.

Changes

• Impersonation support (PR, #6690)
• story_modeller: Refactor story modeller (PR, #6612)
• story_modeller: Do not include timestamp to StoryModeller messages (PR, #6608)
• story_modeller: fix empty event template and trim all story_modeller text inputs (PR, #6676)
• story_modeller: Display actors after story execution (PR, #6770)
• story_modeller: Suggest event and incident actors (PR, #6771, #6772)