Update CHANGELOG.md with 0.18.2 changes #14839

Job	Run time
set-product-version	6s
product-metadata	2m 8s
generate-metadata-file	24s
Go 1.23.3 darwin amd64 build	6m 16s
verify-product-metadata	3s
Go 1.23.3 darwin arm64 build	6m 29s
Go 1.23.3 freebsd 386 build	7m 3s
Go 1.23.3 linux arm build	7m 30s
Go 1.23.3 freebsd amd64 build	7m 28s
Go 1.23.3 freebsd arm build	6m 42s
Go 1.23.3 linux arm64 build	7m 2s
Go 1.23.3 windows 386 build	6m 31s
Go 1.23.3 linux 386 build	7m 16s
Go 1.23.3 windows amd64 build	7m 16s
Go 1.23.3 linux amd64 build	7m 32s
Go 1.23.3 netbsd 386 build	5m 42s
Go 1.23.3 netbsd amd64 build	7m 21s
Go 1.23.3 netbsd arm build	7m 9s
Go 1.23.3 openbsd 386 build	6m 33s
Go 1.23.3 openbsd amd64 build	7m 14s
Go 1.23.3 openbsd arm build	6m 51s
Go 1.23.3 solaris amd64 build	7m 34s
Docker arm build	50s
Docker arm64 build	51s
Docker 386 build	54s
Docker amd64 build	49s
bats / CLI tests	13m 23s
Enos / setup	40s
Enos / Integration (e2e_aws builder:crt)	17m 29s
Enos / Integration (e2e_database)	5m 48s
Enos / Integration (e2e_docker_base builder:crt)	20m 4s
Enos / Integration (e2e_docker_base_plus builder:crt)	9m 13s
Enos / Integration (e2e_docker_base_with_vault builder:crt)	4m 53s
Enos / Integration (e2e_docker_base_with_worker builder:crt)	3m 59s
Enos / Integration (e2e_docker_worker_registration_controller_led builder:crt)	3m 46s
Enos / Integration (e2e_docker_worker_registration_worker_led builder:crt)	3m 57s
	3h 34m 46s

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