docs(rfc): associate migration proposal with PR 1771

Author: Zxf-xufeng

…rfcs/0000-unified-database-migrations.md …rfcs/1771-unified-database-migrations.mddocs/en/rfcs/0000-unified-database-migrations.md renamed to docs/en/rfcs/1771-unified-database-migrations.md docs/en/rfcs/0000-unified-database-migrations.md renamed to docs/en/rfcs/1771-unified-database-migrations.md

@@ -4,6 +4,7 @@ title: Unified Versioned Database Migrations
 
 - Proposal Name: `unified_versioned_database_migrations`
 - Start Date: 2026-09-28
+- RFC PR: [oceanbase/powercontext#1771](https://github.com/oceanbase/powercontext/pull/1771)
 - Tracking Issue: [oceanbase/powercontext#1756](https://github.com/oceanbase/powercontext/issues/1756)
 - Related Discussion: [Migration framework proposal on PR #1716](https://github.com/oceanbase/powercontext/pull/1716#issuecomment-5862598291)
 - Design Source: [Yuque RFC](https://yuque.antfin.com/obopensrc/knowledge_sharing/psb5g51gae41q16l)

…rfcs/0000-unified-database-migrations.md …rfcs/1771-unified-database-migrations.mddocs/zh/rfcs/0000-unified-database-migrations.md renamed to docs/zh/rfcs/1771-unified-database-migrations.md docs/zh/rfcs/0000-unified-database-migrations.md renamed to docs/zh/rfcs/1771-unified-database-migrations.md

@@ -4,6 +4,7 @@ title: 统一版本化数据库迁移
 
 - Proposal Name: `unified_versioned_database_migrations`
 - Start Date: 2026-09-28
+- RFC PR: [oceanbase/powercontext#1771](https://github.com/oceanbase/powercontext/pull/1771)
 - Tracking Issue: [oceanbase/powercontext#1756](https://github.com/oceanbase/powercontext/issues/1756)
 - 关联讨论：[PR #1716 的迁移框架建议](https://github.com/oceanbase/powercontext/pull/1716#issuecomment-5862598291)
 - 设计来源：[语雀 RFC](https://yuque.antfin.com/obopensrc/knowledge_sharing/psb5g51gae41q16l)