Fix docker compose with PG17 (#10165)

## Problem
It's impossible to run docker compose with compute v17 due to `pg_anon`
extension which is not supported under PG17.
## Summary of changes
The auto-loading of `pg_anon` is disabled by default

docker-compose/compute_wrapper/var/db/postgres/specs/spec.json

@@ -132,11 +132,6 @@
                 "name": "cron.database",
                 "value": "postgres",
                 "vartype": "string"
-            },
-            {
-                "name": "session_preload_libraries",
-                "value": "anon",
-                "vartype": "string"
             }
         ]
     },