Vtgate metrics: Added plan and query type metrics#17727

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harshit-gangal wants to merge 16 commits intovitessio:mainfrom planetscale:vtgate-metrics

+2,237-284

Commits on Feb 6, 2025

Commits on Feb 11, 2025

update and delete having vindex changes be classified as multishard and using lookup vindex as lookup plan type
harshit-gangal
committed
added queryrouted metrics and deprecated similar old metrics
harshit-gangal
committed

Commits on Feb 13, 2025

added topo plan classification and added more granular classification for Set and Show Execution commands
harshit-gangal
committed
Merge remote-tracking branch 'upstream/main' into vtgate-metrics
harshit-gangal
committed

Commits on Feb 17, 2025

add complex example
systay
committed