* feat: refactor the Insight data API to support metric aggregation for multiple data inputs
* fix: bucket sorting issue when a sub-aggregation contains a `date_histogram`
* feat: add insight metric CRUD api
* fix: empty value of metric
* fix: incorrect grouping results
* feat: add builtin metric template
* fix: bucket sort when aggregation with P99
* chore: update group size
* chore: update release notes
* chore: update release notes
* chore: update release notes
* chore: update group size
silenceqi