refactor: add `app` in `greptime_app_version` metric #19385

Job	Run time
Check (windows-2022)	10m 11s
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	3m 8s
Build GreptimeDB binaries (ubuntu-20.04)	3m 3s
Check (ubuntu-20.04)	2m 3s
Check typos and docs	7s
Clippy	3m 52s
Rustfmt	31s
coverage	14m 29s
Check License Header	2m 11s
Toml Check	2m 13s
Sqlness Test (Basic)	2m 31s
Fuzz Test (fuzz_create_table)	7m 13s
Sqlness Test (Remote WAL)	2m 45s
Fuzz Test (fuzz_alter_table)	7m 37s
Fuzz Test (fuzz_create_database)	6m 29s
Fuzz Test (fuzz_create_logical_table)	7m 19s
Fuzz Test (fuzz_alter_logical_table)	6m 49s
Fuzz Test (fuzz_insert)	6m 12s
Fuzz Test (fuzz_insert_logical_table)	6m 18s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_migrate_mito_regions)	8m 25s
Fuzz Test (Distributed, Remote WAL, fuzz_create_table)	8m 42s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_mito_regions)	7m 2s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	4m 55s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_table)	8m 34s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_metric_regions)	7m 52s
Fuzz Test (Distributed, Remote WAL, fuzz_create_database)	9m 21s
Fuzz Test (Distributed, Remote WAL, fuzz_create_logical_table)	8m 50s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_logical_table)	9m 28s
Fuzz Test (Distributed, Remote WAL, fuzz_insert)	10m 15s
Fuzz Test (Distributed, Remote WAL, fuzz_insert_logical_table)	10m 24s
	3h 8m 49s

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