Only log tempfiles over 200B to avoid log spam

(cherry picked from commit af89962a)

Co-authored-by: Dan Notestein <dan@syncad.com>

logging.conf

@@ -6,7 +6,7 @@ log_checkpoints = on
 log_connections = on
 log_disconnections = on
 log_lock_waits = on
-log_temp_files = 0
+log_temp_files = 200
 log_autovacuum_min_duration = 0
 log_error_verbosity = default
 log_filename = 'postgresql.log'