Description of problem:

Upgrades from 2.11.z, 2.12.z to 2.13.z where customers have a persistent volume claim set for search-postgres will encounter an error like

Incompatible data directory. This container image provides
PostgreSQL '16', but data directory is of
version '13'.

Because in 2.13 the search-postgres database was upgraded from PostgreSQL 13 to PostgreSQL 16. The current workaround is to have users delete and recreate the PVC.
https://redhat-internal.slack.com/archives/CTDEY6EEA/p1754581579820429

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