2.9.0

What's Changed

• Github Actions improvements by @IhateTrains in #401
• Imprisonment conversion by @IhateTrains in #402
• Remove title history entries past bookmark date by @IhateTrains in #403
• Simplify Imperator Families code with clever inheritance by @IhateTrains in #407
• Simplify Imperator Characters code with clever inheritance by @IhateTrains in #408
• Simplify Imperator Provinces code with clever inheritance by @IhateTrains in #406
• Simplify LandedTitles code with clever inheritance by @IhateTrains in #405
• Simplify Countries and Pops code with clever inheritance by @IhateTrains in #409
• Change how regular saves are processed by @IhateTrains in #411

Full Changelog: 2.8.13...2.9.0