Revert "Update server bundled postgres (#37178)"
Created by: davejrt
This reverts commit 46179457cca19eb5f337684b9dc2396e5ea3dfe6.
The server upgrade test is currently broken with the following error:
2022-06-14T14:02:42.223104733Z $ /usr/local/bin/migrator migrator up -db frontend
2022-06-14T14:02:42.236285241Z [0;32m14:02:42 postgres | [0m2022-06-14 14:02:42.234 UTC [25] FATAL: database files are incompatible with server
2022-06-14T14:02:42.236304756Z [0;32m14:02:42 postgres | [0m2022-06-14 14:02:42.234 UTC [25] DETAIL: The data directory was initialized by PostgreSQL version 12, which is not compatible with this version 13.7.
Test plan
Green server upgrade integration test.