fix: relax psql params

bootstrap/postgres/postgresql.conf

@@ -1,14 +1,14 @@
 listen_addresses = '*'
-max_connections = 125
-shared_buffers = 15GB
-effective_cache_size = 45GB
+max_connections = 100
+shared_buffers = 15104MB
+effective_cache_size = 45312MB
 maintenance_work_mem = 2GB
 checkpoint_completion_target = 0.9
 wal_buffers = 16MB
 default_statistics_target = 500
 random_page_cost = 1.1
 effective_io_concurrency = 200
-work_mem = 15728kB
+work_mem = 19333kB
 huge_pages = try
 min_wal_size = 4GB
 max_wal_size = 16GB