chore: seurat deprecation notice (SCE-32)

[kaloster]

Reason for Change

• Ticket
• Notify users of upcoming Seurat deprecation

Changes

• Add deprecation warning banner
• Add relevant docs

Testing steps

• Visual QA for content and design
• rdev -> here
• Docs -> here

Checklist 🛎️

• Add product, design, and eng as reviewers for rdev review
• For UI changes, add screenshots/videos, so the reviewers know what you expect them to see
• For UI changes, add e2e tests to prevent regressions
• For UI changes, verify impacted analytics events still work

Notes for Reviewer

[github-actions]

Deployment Summary

• backend_url: https://pr-7365-backend.rdev.single-cell.czi.technology
• backend_de_url: https://pr-7365-backend-de.rdev.single-cell.czi.technology
• backend_wmg_url: https://pr-7365-backend-wmg.rdev.single-cell.czi.technology
• frontend_url: https://pr-7365-frontend.rdev.single-cell.czi.technology
• delete_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-7365-deletion:1
• migrate_db_task_definition_arn: arn:aws:ecs:us-west-2:***:task-definition/dp-rdev-pr-7365-migration:1

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.90%. Comparing base (9c87d94) to head (1f25fc0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7365   +/-   ##
=======================================
  Coverage   92.90%   92.90%           
=======================================
  Files         194      194           
  Lines       16831    16831           
=======================================
  Hits        15637    15637           
  Misses       1194     1194           

Flag	Coverage Δ
unittests	92.90% <ø> (ø)

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[tihuan]

HURRAY! THANK YOU!!