[Fabric Bot] Add CXP Responder (#27902)
[Fabric Bot] Add CXP Responder (#27902)

The focus of these changes is to add the rule for reacting when the `CXP Attention` rule is applied.
Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java