[Fix-16272][Alert Server] Alarm server failed to send alarm (#16275) #2

Job	Run time
Backend-Path-Filter	5s
Backend-Build (8)	14m 29s
Backend-Build (11)	13m 29s
cluster-test-mysql-with-zookeeper-registry	3m 25s
schema-check (mysql, 3.1.9)	1m 42s
cluster-test-mysql-with-mysql-registry	2m 49s
schema-check (mysql, 3.2.0)	2m 43s
cluster-test-postgresql-zookeeper-registry	2m 39s
schema-check (postgresql, 3.1.9)	1m 56s
cluster-test-postgresql-with-postgresql-registry	2m 31s
schema-check (postgresql, 3.2.0)	2m 55s
Build	1s
	48m 44s

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