make sql_serializer log less chatty by default
Reduces default logging from:
2023-12-14T15:22:02.843272 data_processor.cpp:153 only_report_batch_fi ] 81020660 commited by Transaction multisig data writer
2023-12-14T15:22:02.843304 data_processor.cpp:153 only_report_batch_fi ] 81020660 commited by Accounts data writer
2023-12-14T15:22:02.843355 data_processor.cpp:153 only_report_batch_fi ] 81020660 commited by Applied hardforks data writer
2023-12-14T15:22:02.843466 block_num_rendezvous_trigger.cpp:40 report_complete_thre ] Dump whole block 81020660
to just:
2023-12-14T15:22:02.843466 block_num_rendezvous_trigger.cpp:40 report_complete_thre ] Dump whole block 81020660