• Update Groovy version to 4.x
• In our document[1], Groovy 3.0.11 is used, however, Groovy 4 is released at 25 Jan 2022. The version of Groovy used in the documentation[1] is somewhat old.

[1] https://access.redhat.com/documentation/en-us/red_hat_build_of_debezium/2.3.4/html-single/debezium_user_guide/index