refactor: rename metasrv_addr to metasrv_addrs (#3921) #5

Job	Run time
Check (windows-latest)	14m 54s
Check typos and docs	13s
Check License Header	1m 22s
Check (ubuntu-20.04)	8m 33s
Build GreptimeDB binaries (ubuntu-20.04)	12m 35s
Clippy	9m 12s
coverage	1s
Rustfmt	1m 1s
Toml Check	2m 57s
Fuzz Test (fuzz_create_table)	9m 48s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	16m 29s
Fuzz Test (fuzz_alter_table)	9m 50s
Sqlness Test (ubuntu-20.04)	2m 32s
Fuzz Test (fuzz_create_database)	9m 43s
Sqlness Test with Kafka Wal (ubuntu-20.04)	3m 4s
Fuzz Test (fuzz_create_logical_table)	9m 52s
Fuzz Test (fuzz_alter_logical_table)	9m 55s
Fuzz Test (fuzz_insert)	10m 19s
Fuzz Test (fuzz_insert_logical_table)	9m 48s
	2h 22m 8s

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