Update metrics renamed (#600)

* update metrics renamed

* add missing beacon metric renamed

docs/how-to/monitor/update-metrics.md

@@ -18,6 +18,7 @@ The following table lists the name changes for Teku metrics:
 |------------------------------------------------|------------------------------------------------------|
 | `beacon_block_blobs_trackers_pool_size` | `beacon_block_blobs_trackers_pool_size_total` |
 | `beacon_block_blobs_trackers_pool_stats` | `beacon_block_blobs_trackers_pool_stats_total` |
+| `beacon_block_import_delay_counter` | `beacon_block_import_delay_counter_total` |
 | `beacon_eth1_request_queue_size` | `beacon_eth1_request_queue_size_total` |
 | `beacon_execution_payload_source` | `beacon_execution_payload_source_total` |
 | `beacon_teku_version` | `beacon_teku_version_total` |
@@ -31,5 +32,7 @@ The following table lists the name changes for Teku metrics:
 | `storage_finalized_state_branch_nodes` | `storage_finalized_state_branch_nodes_total` |
 | `storage_finalized_state_leaf_nodes` | `storage_finalized_state_leaf_nodes_total` |
 | `storage_finalized_states_stored` | `storage_finalized_states_stored_total` |
+| `validator_attestation_publication_delay` | `validator_attestation_publication_delay_total` |
+| `validator_block_publication_delay` | `validator_block_publication_delay_total` |
 | `validator_duties_performed` | `validator_duties_performed_total` |
 | `validator_external_signer_requests` | `validator_external_signer_requests_total` |