v4.0.0 Java 17 Migration

Migrated to Java 17 via OpenRewrite

3.0

• Reverted Back to Single Selection
• CCGX-Modbus-TCP-register-list has to be chosen at the start of the programm

2.7

Breaking Change:
Changed save to json
That means all old saved selections arent usable anymore...sorry

2.6

Refactoring (#101)

Co-authored-by: CommentSectionScientist <matthias-oswald@gmx.net>