fix(deps): update dependency io.camunda:zeebe-bom to v8.6.5 #1868

Job	Run time
build-element-template-generation	4m 14s
build-async-service-task	1m 15s
build-large-multi-instance-example	49s
build-parallel-operations	29s
build-payment-example-process-application	49s
build-react-tasklist	1m 2s
build-rollback-on-error-example	31s
build-start-form-springboot	20s
build-synchronous-response-springboot	54s
build-timer-testing	2m 41s
build-twitter-review-java-springboot	51s
build-zeebe-client-plain-java	21s
	14m 16s

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