Feature/master/update_to_nb_15_jdk17#35

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akronenw wants to merge 5 commits intodrrb:masterfrom

akronenw:feature/master/update_to_nb_15

Commits on Sep 22, 2022

update NB version and dependencies
akronenw
committed
fix build after dependency updates
Alexander Kronenwett
committed
start fixing unit tests
Alexander Kronenwett
committed

Commits on Sep 26, 2022

fix unit tests
Alexander Kronenwett
committed
bring back the headless toolkit but with a wrapper
Alexander Kronenwett
committed