[3.x] Example module D10 compatibility

Problem/Motivation

The rabbitmq_exmple module that lives within /modules has been forgotten about and needs bringing inline with the core rabbitmq module.

Steps to reproduce

N/A

Proposed resolution

Drupal core requirements need updating to match main module.

Remaining tasks

- Update .info.yml file core requirement to ^9 || ^10 (inline with main module)

User interface changes

N/A

API changes

N/A

Data model changes

N/A