Local shovels: Add global counters (backport #14561)

[mergify]

Uses 'local-shovel' as protocol

rabbitmq_global_consumers{protocol="local-shovel"} 0.0
rabbitmq_global_messages_acknowledged_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 676560.0
rabbitmq_global_messages_acknowledged_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_acknowledged_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_confirmed_total{protocol="local-shovel"} 676560.0
rabbitmq_global_messages_delivered_consume_auto_ack_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_delivered_consume_auto_ack_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_delivered_consume_auto_ack_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_delivered_consume_manual_ack_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_delivered_consume_manual_ack_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_delivered_consume_manual_ack_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_delivered_get_auto_ack_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_delivered_get_auto_ack_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_delivered_get_auto_ack_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_delivered_get_manual_ack_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_delivered_get_manual_ack_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_delivered_get_manual_ack_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_delivered_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 677887.0
rabbitmq_global_messages_delivered_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_delivered_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_get_empty_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_get_empty_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_get_empty_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_received_confirm_total{protocol="local-shovel"} 677887.0
rabbitmq_global_messages_received_total{protocol="local-shovel"} 677887.0
rabbitmq_global_messages_redelivered_total{protocol="local-shovel",queue_type="rabbit_classic_queue"} 0.0
rabbitmq_global_messages_redelivered_total{protocol="local-shovel",queue_type="rabbit_quorum_queue"} 0.0
rabbitmq_global_messages_redelivered_total{protocol="local-shovel",queue_type="rabbit_stream_queue"} 0.0
rabbitmq_global_messages_routed_total{protocol="local-shovel"} 677887.0
rabbitmq_global_messages_unroutable_dropped_total{protocol="local-shovel"} 0.0
rabbitmq_global_messages_unroutable_returned_total{protocol="local-shovel"} 0.0
rabbitmq_global_publishers{protocol="local-shovel"} 0.0
```<hr>This is an automatic backport of pull request #14561 done by [Mergify](https://mergify.com).