SiteKit Veranstaltungskalender 4.2.3 (10.04.2024)

#Fixes

• bump php package version (4ebc2fd)

#Other

• bump version to next development release (c4955bd)
• update dependency events-calendar-php from 2.2.0 to 2.2.1 (7f3aef1)
• set support-version from 4.2.0 to 4.2.1-SNAPSHOT (f1dbee7)