Changes to Retrieve branch metrics

the aggregations request property's minItems was increased to 1

the request property metrics became required

removed the required property metric from the response with the 200 status

removed the required property series from the response with the 200 status

removed the required property unit from the response with the 200 status

removed the request property metric

added BranchMetricName to the metric request property allOf list

removed the enum value connections_active of the request property metric

removed the enum value connections_idle of the request property metric

removed the enum value cpu of the request property metric

removed the enum value disk of the request property metric

removed the enum value iops_read of the request property metric

removed the enum value iops_write of the request property metric

removed the enum value latency_read of the request property metric

removed the enum value latency_write of the request property metric

removed the enum value memory of the request property metric

removed the enum value network_egress of the request property metric

removed the enum value network_ingress of the request property metric

removed the enum value replication_lag_time of the request property metric

removed the enum value throughput_read of the request property metric

removed the enum value throughput_write of the request property metric

removed the enum value wal_sync_time of the request property metric

the metric request property type changed from string to no type

added the new optional request property metrics

the request property instances became optional

the request property metric became optional

request property metric deprecated

response property metric deprecated

response property series deprecated

response property unit deprecated

added the required property results to the response with the 200 status

added the new required request property metric

the request property instances became required

removed the required property results from the response with the 200 status

removed the request property metrics

added the required property metric to the response with the 200 status

added the required property series to the response with the 200 status

added the required property unit to the response with the 200 status