fix bug | variable declared as list| #1002

Job	Run time
Build Docker Image (linux/amd64, amd64)	1m 12s
Build Docker Image (linux/arm/v7, armv7)	4m 46s
Build Docker Image (linux/arm64, arm64)	4m 6s
Build Docker Image (linux/arm/v6, armv6)	5m 26s
Test Image (amd64)	33s
Test Image (armv7)	29s
Test Image (arm64)	30s
Test Image (armv6)	32s
Publish Image (amd64, registry.hub.docker.com)	21s
Publish Image (amd64, ghcr.io/diyhue)	20s
Delete failed artifacts	0s
Publish Image (armv7, registry.hub.docker.com)	20s
Publish Image (armv7, ghcr.io/diyhue)	19s
Publish Image (arm64, registry.hub.docker.com)	22s
Publish Image (arm64, ghcr.io/diyhue)	21s
Publish Image (armv6, registry.hub.docker.com)	20s
Publish Image (armv6, ghcr.io/diyhue)	18s
Tag Images (Manifest) (registry.hub.docker.com)	8s
Tag Images (Manifest) (ghcr.io/diyhue)	8s
Tag Images (amd64, registry.hub.docker.com)	20s
Tag Images (amd64, ghcr.io/diyhue)	20s
Tag Images (armv7, registry.hub.docker.com)	27s
Tag Images (armv7, ghcr.io/diyhue)	18s
Tag Images (arm64, registry.hub.docker.com)	20s
Tag Images (arm64, ghcr.io/diyhue)	19s
Tag Images (armv6, registry.hub.docker.com)	28s
Tag Images (armv6, ghcr.io/diyhue)	57s
Tag images to correct architecture (registry.hub.docker.com)	8s
Tag images to correct architecture (ghcr.io/diyhue)	3s
	24m 11s

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