Issue #3379346 by jurgenhaas, mxh: Establish ECA 2.0 compatibility

.cspell-project-words.txt

.gitlab-ci.yml

composer.json

config/schema/eca_vbo.schema.yml

eca_vbo.info.yml

eca_vbo.module

eca_vbo.services.yml

phpstan.neon

src/Event/VboCustomAccessEvent.php

src/Event/VboEventBase.php

src/Event/VboExecuteEvent.php

src/Event/VboExecuteMultipleEvent.php

src/Event/VboExecutionEventBase.php

src/Event/VboFormEventBase.php

src/EventSubscriber/EcaVbo.php

src/Form/EcaVboConfirm.php

src/Plugin/Action/Derivative/VboExecuteDeriver.php

src/Plugin/Action/VboExecute.php

src/Plugin/Action/VboGetConfigValue.php

src/Plugin/Action/VboGetViewsArgument.php