Release 8.6.3 Adaptation

[megglos]

Go client => migrated to community project
closes camunda/camunda#23188

Java => updated to 8.6.3

Spring => Updated to 8.6.3 and official spring sdk
Tested and got output:

[main] INFO io.camunda.zeebe.spring.client.jobhandling.JobWorkerManager - . Starting Zeebe worker: ZeebeWorkerValue{type='email', name='emailWorker#sendEmail', timeout=PT-0.001S, maxJobsActive=-1, requestTimeout=PT-1S, pollInterval=PT-0.001S, autoComplete=true, fetchVariables=[], enabled=true, methodInfo=MethodInfo{classInfo=ClassInfo{beanName=emailWorker}, method=public void io.camunda.getstarted.EmailWorker.sendEmail(io.camunda.zeebe.client.api.response.ActivatedJob)}, tenantIds=[<default>], forceFetchAllVariables=false, streamEnabled=true, streamTimeout=PT1H, maxRetries=-1}