fix(deps): update dependency io.camunda:zeebe-bom to v8.6.6 #1967

Job	Run time
build-async-service-task	1m 13s
build-element-template-generation	4m 3s
build-large-multi-instance-example	35s
build-parallel-operations	21s
build-payment-example-process-application	45s
build-react-tasklist	1m 0s
build-rollback-on-error-example	38s
build-start-form-springboot	25s
build-synchronous-response-springboot	38s
build-timer-testing	2m 35s
build-twitter-review-java-springboot	41s
build-zeebe-client-plain-java	17s
	13m 11s

Provide feedback