[new-metric] Geo Replica Lag Metric

[prajain12]

Metric name

Geo-Replication Lag Metric

Metric description

Contains a row for each replication link between primary and secondary databases in a geo-replication partnership

Additional details for the metric

https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-database-replica-states-azure-sql-database?view=sql-server-ver16

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.