Introduce additional labels to TOP SQL

[nolouch]

Enhancement

add table_id, schema to TOPSQL, then we can know the cost by the table_id or schema

• add kvproto resourcetag: add more filed in resource group tag tipb#338
• add the label for the request TopSQL: add table id in resource tag #55555
• add the new label for the scraper topsql: add label for the table and schema ng-monitoring#260
• topsql backend API topsql: add backend of group by table or db ng-monitoring#262
• UI part topsql: add ui for aggregating by table or db tidb-dashboard#1732
  • 
• Update the dashboard version in PD chore(dashboard): update TiDB Dashboard to v8.4.0-618b5cde [master] tikv/pd#8656

docs:

• topsql: add aggregate by table or db docs-cn#18664
• topsql: add aggregate by table or db docs#18982