Add started_by column to pg_stat_progress_analyze view.

Add started_by column to pg_stat_progress_analyze view.

The new column, started_by, indicates the initiator of the
analyze ('manual' or 'autovacuum'), helping users and monitoring tools
to better understand ANALYZE behavior.

Bump catalog version.

Author: Shinya Kato <shinya11.kato@gmail.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Reviewed-by: Sami Imseih <samimseih@gmail.com>
Reviewed-by: Yu Wang <wangyu_runtime@163.com>
Discussion: https://postgr.es/m/CAA5RZ0suoicwxFeK_eDkUrzF7s0BVTaE7M%2BehCpYcCk5wiECpw%40mail.gmail.com