fix: DockerfileにARGを追加 #285

Job	Run time
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_produ...	11s
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_produ...	6s
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_debug...	11s
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_debug...	8s
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_debug...	7s
Build docker image (and publish on main) (ghcr.io/giganticminecraft/seichi_minecraft_server_debug...	28s
	1m 11s

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