feat(test): Disable JIT for test database image

testing/dbtest/docker/postgresql.conf

@@ -34,3 +34,4 @@ lc_monetary                = 'en_US.utf8'
 lc_numeric                 = 'en_US.utf8'
 lc_time                    = 'en_US.utf8'
 default_text_search_config = 'pg_catalog.english'
+jit                        = off     # Disable JIT since it seems to just cause overhead and no gain