feat: change log level dynamically #19492

Job	Run time
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	3m 6s
Check (windows-2022)	10m 29s
Check typos and docs	6s
Check (ubuntu-20.04)	2m 17s
Build GreptimeDB binaries (ubuntu-20.04)	3m 7s
Clippy	1m 8s
coverage	15m 16s
Check License Header	2m 8s
Rustfmt	32s
Toml Check	43s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	6m 13s
Fuzz Test (Distributed, Remote WAL, fuzz_create_table)	10m 13s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_migrate_mito_regions)	10m 43s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_table)	8m 39s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_mito_regions)	16m 41s
Fuzz Test (Distributed, Remote WAL, fuzz_create_database)	9m 34s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_metric_regions)	11m 8s
Fuzz Test (Distributed, Remote WAL, fuzz_create_logical_table)	8m 40s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_logical_table)	8m 58s
Fuzz Test (Distributed, Remote WAL, fuzz_insert)	9m 3s
Fuzz Test (Distributed, Remote WAL, fuzz_insert_logical_table)	9m 5s
Fuzz Test (fuzz_create_table)	6m 24s
Fuzz Test (fuzz_alter_table)	6m 29s
Fuzz Test (fuzz_create_database)	6m 12s
Fuzz Test (fuzz_create_logical_table)	7m 0s
Fuzz Test (fuzz_alter_logical_table)	6m 24s
Fuzz Test (fuzz_insert)	7m 20s
Fuzz Test (fuzz_insert_logical_table)	7m 37s
Sqlness Test (Basic)	2m 29s
Sqlness Test (Remote WAL)	2m 58s
	3h 20m 42s

Provide feedback