v4.2-1

Features:

• Improved the layout of an active processes show number of courses in step (#155 )
• minor adjustments to the navigation to improve the structure (#155 )
• error table for failed courses (#136)
• add the possibility to edit steps and triggers after workflow activation (#134 )
• make course backup table searchable (#123)

Bugfixes:

• inform only active users by email step (#167)
• limit workflowoverview for big instances (#171 )
• php8.0 things (#162 )
• add privacy providers (156)
• specificdate-trigger fix (#151 )