feat(plugins): add data migration mechanism for plugins

Summary

• feat(plugins): add data migration mechanism for plugins

RFC: https://docs.google.com/document/d/1bI1uGj-JeRBcU2X4tdgTuegbYc2ZO9O_r-1uJYPTgwE

---

• Changes should be cherry-picked to 24.2: no
• Docs follow-up: docs#267 (closed)
• Bug follow-up: #628