feat: tier4_metric_msgs

[xtk8532704]

Related Links

Discussion on slack about Metric_msgs: https://star4.slack.com/archives/C4P0NSMB5/p1725255842890819

related PR of universe side: autowarefoundation/autoware.universe#9180
related Ticket: https://tier4.atlassian.net/browse/RT1-6863

Description

This PR introduces a new tier4_metric_msgs package that contains Metric.msg and MetricArray.msg for the autoware system's evaluation metrics. It aims to replace the DiagnosticArray/DiagnosticState misused in the system to transmit metric information.

Remarks

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[yukkysaito]

LGTM

[xtk8532704]

@yukkysaito Can you merge this PR.