Experiments and sessions endpoints added to REST V2 API

Release Notes

• #4504 feat(api): experiments api

  Adds experiment endpoints to REST V2 API and CLI: GET /v2/experiments GET /v2/apps/{app_id}/functions/{function_id}/experiments GET /v2/apps/{app_id}/functions/{function_id}/experiments/{experiment_id}

  Adds sessions endpoints to REST V2 API and CLI: GET /v2/sessions GET /v2/sessions/{session_key} GET /v2/sessions/{session_key}/{session_id}/runs

Changelog

🚀 Features

• (experiments) Visualize numeric metrics using box plots (#4517)
• (function-view) Show key queues setting (#4546)
• (experiments) Update charts/layout to match new design (#4551)
• (queue) Jitter PartitionRequeue default case (#4561)
• (api) Experiments api (#4504)

🐛 Bug Fixes

• Should not coalesce parallel steps for the V1 execution engine (#4538)
• (experiments) Fix boxplot colors (#4542)

🚜 Refactor

• (queue) Clean up QueueManager interface (#4541)

⚙️ Miscellaneous Tasks

• (go) Drop key-queues test matrix dimension (#4552)
• Upload test results to CodeCov to analyze flake rates (#4545)
• Use a depot runner for linting (#4554)
• (queue) Add timeout to backlog size (#4556)
• Track partition processing that yielded 0 peeks (#4562)
• Cleanup unused queue injections (#4564)

◀️ Revert

• Always SavePending after parallel ops to coalesce discovery (#4021) (#4534)