v0.1.2

Completed and (mostly) polished support for collecting multiple metrics. The utility now supports collecting a known set of Yugabyte metrics (master_export, node_export, tserver_export, cql_export (not a typo), and ysql_export), a specific custom metric, or both.

If only --node_prefix is specified, Yugabyte metrics will be collected using the default export name for each metric (i.e. what is specified in export_type in the PromQL query).

If --metric is specified but --node_prefix is not, only the specified metric will be collected.

If both --node_prefix and --metric are specified, both the Yugabyte metrics and the specified custom metric will be collected.