Features

• add inverted sources (#4722) #4722 (Neil Horne)

Bug Fixes

• pxx2: prevent unnecessary model yaml rewrite on load (#5047) #5047 (philmoz)
• cpn: set input and switch types to none if not configured (#5026) #5026 (Neil Horne)
• cpn: add missing t20v2 simulator, hwdefs (#5058) #5058 (Peter Feerick)
• cpn: incorrect initialisation of switch warning state if all switch warnings turned off (#5063) #5063 (philmoz)
• trainer: use the timer passed as argument (#5019) #5019 (Raphael Coeffic)
• fw: enable SYSCFG clock before using EXTI (#5020) #5020 (Raphael Coeffic)

Chores

• fix ci typo, remove redundant CPU_TYPE (#5060) #5060 (Peter Feerick)