Summary:
Currently we store all inserted vector into underlying vector index storage.
During search we should filter vectors based on various conditions:

1) Corresponding row could be deleted.
2) Vector value could be updated.
3) Corresponding row does not match WHERE criteria.
Jira: DB-14574

Test Plan: PgVectorIndexTest.DeleteAndUpdate

Reviewers: arybochkin, aleksandr.ponomarenko

Reviewed By: arybochkin

Subscribers: yql, ybase

Tags: #jenkins-ready

Differential Revision: https://phorge.dev.yugabyte.com/D40776