fix: throttleHost is not array in ExternalRateLimit (#633) #2236

Job	Run time
Docker Images	0s
Go build	2m 46s
Codegen	4m 20s
Chart checks	6s
Scan images for security vulnerabilities	5m 19s
Lint	2m 20s
Mocks	2m 22s
Shellcheck	3s
Integration Test with Tresor, SMI traffic policies, and egress disabled	10m 27s
Go ingress test e2e (10)	18m 37s
Go mesh test e2e (1, ubuntu-22.04)	34m 24s
Go gateway test e2e (6, latest, ubuntu-22.04)	19m 23s
Go mesh test e2e (2, ubuntu-22.04)	43m 34s
Go gateway test e2e (6, v1.19.16-k3s1, ubuntu-20.04)	19m 50s
Go test	7m 23s
Go mesh test e2e (3, ubuntu-22.04)	43m 16s
Go gateway test e2e (6, v1.21.14-k3s1, ubuntu-22.04)	20m 26s
Go mesh test e2e (4, ubuntu-22.04)	42m 25s
Go gateway test e2e (6, v1.23.17-k3s1, ubuntu-22.04)	22m 6s
Go mesh test e2e (5, ubuntu-22.04)	39m 14s
Go gateway test e2e (7, latest, ubuntu-22.04)	19m 58s
Go mesh test e2e (v1.19.16-k3s1, Test traffic flowing from client to server with a Kubernetes Ser...	12m 38s
Go gateway test e2e (7, v1.19.16-k3s1, ubuntu-20.04)	18m 1s
Go mesh test e2e (v1.27.16-k3s1, Test traffic flowing from client to server with a Kubernetes Ser...	12m 48s
Go statefulset test e2e (8)	13m 53s
Go retry test e2e (9)	13m 53s
	7h 9m 32s

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