chore(cmd): Move FlagClientAgentPort and flagTargetDefaultPort to uint16 #13809

Job	Run time
set-product-version	5s
generate-metadata-file	25s
product-metadata	3m 6s
Go 1.22.5 linux arm build	5m 32s
Go 1.22.5 freebsd 386 build	5m 7s
Go 1.22.5 linux arm64 build	6m 21s
verify-product-metadata	4s
Go 1.22.5 freebsd amd64 build	5m 31s
Go 1.22.5 darwin amd64 build	9m 10s
Go 1.22.5 linux 386 build	5m 37s
Go 1.22.5 freebsd arm build	5m 24s
Go 1.22.5 darwin arm64 build	8m 30s
Go 1.22.5 linux amd64 build	6m 5s
Go 1.22.5 windows 386 build	5m 13s
Go 1.22.5 windows amd64 build	5m 57s
Go 1.22.5 netbsd 386 build	5m 33s
Go 1.22.5 netbsd amd64 build	5m 28s
Go 1.22.5 netbsd arm build	5m 17s
Go 1.22.5 openbsd 386 build	5m 10s
Go 1.22.5 openbsd amd64 build	5m 32s
Go 1.22.5 openbsd arm build	5m 45s
Go 1.22.5 solaris amd64 build	6m 4s
Docker arm build	58s
Docker arm64 build	46s
Docker 386 build	47s
Docker amd64 build	51s
bats / CLI tests	14m 2s
Enos / setup	41s
Enos / Integration (e2e_aws builder:crt)	15m 47s
Enos / Integration (e2e_database)	5m 40s
Enos / Integration (e2e_docker_base builder:crt)	19m 36s
Enos / Integration (e2e_docker_base_plus builder:crt)	9m 44s
Enos / Integration (e2e_docker_base_with_vault builder:crt)	4m 53s
Enos / Integration (e2e_docker_base_with_worker builder:crt)	3m 49s
Enos / Integration (e2e_docker_worker_registration_controller_led builder:crt)	3m 54s
Enos / Integration (e2e_docker_worker_registration_worker_led builder:crt)	4m 8s
	3h 16m 32s

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