ci: skip notification for manual releases #16593

Job	Run time
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	2m 31s
Build GreptimeDB binaries (ubuntu-20.04)	4m 21s
Check (windows-2022)	6m 45s
Check typos and docs	6s
Check (ubuntu-20.04)	1m 41s
Clippy	3m 12s
coverage	13m 32s
Rustfmt	23s
Check License Header	1m 24s
Toml Check	29s
Fuzz Test (Distributed, Disk) (fuzz_create_table)	7m 5s
Fuzz Test (Distributed, Disk) (fuzz_alter_table)	6m 51s
Fuzz Test (Distributed, Disk) (fuzz_create_database)	6m 51s
Fuzz Test (Distributed, Disk) (fuzz_create_logical_table)	6m 51s
Fuzz Test (Distributed, Disk) (fuzz_alter_logical_table)	6m 53s
Fuzz Test (Distributed, Disk) (fuzz_insert)	6m 51s
Fuzz Test (Distributed, Disk) (fuzz_insert_logical_table)	7m 18s
Sqlness Test (ubuntu-20.04)	2m 37s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	14m 21s
Fuzz Test (fuzz_create_table)	5m 17s
Sqlness Test with Kafka Wal (ubuntu-20.04)	3m 18s
Fuzz Test (fuzz_alter_table)	4m 50s
Fuzz Test (fuzz_create_database)	4m 47s
Fuzz Test (fuzz_create_logical_table)	4m 44s
Fuzz Test (fuzz_alter_logical_table)	4m 53s
Fuzz Test (fuzz_insert)	5m 2s
Fuzz Test (fuzz_insert_logical_table)	5m 22s
	2h 18m 15s

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