fix: update `rabbitmq_version` input to be optional and set default value to `__NULL__`.#314

Aashiq-J merged 1 commit intomainterraform-ibm-modules/terraform-ibm-icd-rabbitmq:mainfrom

12530_issueterraform-ibm-modules/terraform-ibm-icd-rabbitmq:12530_issueCopy head branch name to clipboard