12.3.0

Great release... thanks for this changes:

• Handle FlashMessage exceptions inside upgrade wizard
• Limit Cal migration wizard to TYPO3 v10
• Do not link current page in pagination
• Cleanup hidden page search field
• Feature: Add multiple categories to search
• Generate and display category filters for search
• Feature: Basic initial configuration to add minutely and hourly frequencies
• Fix #682 - add hourly and minutely increment incl. tests
• Use a better label for minutely frequency
• Default to 0 if start_time/end_time is null
• [BUGFIX] show warning if end time is earlier than start time fixes #685
• Fix #687 - advance dates 1 day if next time is in next day
• Fix distinct in category filter generation
• Fix functional tests
• Add routePath for booking