fix: use 'target' for 'actions-rust-lang/setup-rust-toolchain' to fix cross build failed #19528

Job	Run time
Build GreptimeDB binaries (ubuntu-20.04)	2m 47s
Check typos and docs	6s
Check (windows-2022)	10m 21s
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	3m 24s
Check (ubuntu-20.04)	2m 11s
Clippy	3m 51s
coverage	14m 29s
Rustfmt	31s
Check License Header	2m 8s
Toml Check	28s
Fuzz Test (fuzz_create_table)	6m 22s
Fuzz Test (fuzz_alter_table)	6m 39s
Sqlness Test (Basic)	2m 31s
Fuzz Test (fuzz_create_database)	6m 12s
Sqlness Test (Remote WAL)	2m 49s
Fuzz Test (fuzz_create_logical_table)	6m 10s
Fuzz Test (fuzz_alter_logical_table)	6m 21s
Fuzz Test (fuzz_insert)	6m 43s
Fuzz Test (fuzz_insert_logical_table)	6m 46s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	4m 48s
Fuzz Test (Distributed, Remote WAL, fuzz_create_table)	9m 17s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_migrate_mito_regions)	6m 55s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_table)	9m 21s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_mito_regions)	7m 46s
Fuzz Test (Distributed, Remote WAL, fuzz_create_database)	9m 34s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_metric_regions)	8m 41s
Fuzz Test (Distributed, Remote WAL, fuzz_create_logical_table)	10m 23s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_logical_table)	8m 38s
Fuzz Test (Distributed, Remote WAL, fuzz_insert)	8m 33s
Fuzz Test (Distributed, Remote WAL, fuzz_insert_logical_table)	9m 20s
	3h 4m 5s

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