List of pings to update/verify updated with the settings migration

[Joelkw]

Pings that need to be migrated (in order of their description on the pings docs page)

• New code insight created (additions count)
• Code insight edited (edits count)
• Code insight deleted (removal count)
• Org visible insights count (total that week, by insight type) (insights: migrate code insights backend pings #24481)
• First time insight creators count
• Total count of insights grouped by step size (insights: migrate code insights backend pings #24481)

New pings

Already approved, just never built

• Total count of insights that exist on the instance ([Settings migration] Track total insights on an instance, by type if possible.  #25196)

Newly approved

• # of dashboards on an instance by week (Add newly approved backend pings #28374)
• Avg, max, min , std dev, median # of insights per dashboard (Add newly approved backend pings #28374)
• # of organizations with a dashboard (Add newly approved backend pings #28374)
• # of organizations on an instance total (Add newly approved backend pings #28374)
• number of unique dashboard editors per week (editors have created/deleted a dashboard, added/removed insights to a dashboard, or renamed a dashboard) Add new approved Code Insights dashboard FE ping-actions #29982
• # unique first time dashboard editors (by week) Add new approved Code Insights dashboard FE ping-actions #29982
• # unique first time dashboard creators (by week) Add new approved Code Insights dashboard FE ping-actions #29982
• # unique dashboards viewed by at least 1 user that week Add new approved Code Insights dashboard FE ping-actions #29982

Updated docs page

• updated [docs page](in order of their description on the pings docs to reflect the "newly approved" pings once added.
• updated docs page for the 3.35 changes that were shipped. https://github.com/sourcegraph/sourcegraph/pull/29965

[github-actions]

Heads up @Joelkw @felixfbecker @vovakulikov @unclejustin - the "team/code-insights" label was applied to this issue.

[coury-clark]

After we migrate, we need to update the documentation similar to this PR: https://github.com/sourcegraph/sourcegraph/pull/27741