chore: 로컬에서 스테이징 서버를 접근할 수 있도록 수정 #6

Job	Run time
config	4s
build (participant-dev, pyconkr-participant-portal)	48s
build (pyconkr-dev, pyconkr-2026)	50s
build (admin-dev, pyconkr-admin)	49s
trigger	5s
	2m 36s

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