Chart: Extend image tests. #10568

Job	Run time
changes	3s
test-go	3m 56s
Verify Doc generation	14s
lua-lint	8s
Build	3m 50s
Helm chart lint	47s
Helm chart testing (v1.28.13)	1h 0m 52s
Helm chart testing (v1.29.8)	1h 1m 3s
Helm chart testing (v1.30.4)	1h 0m 52s
Helm chart testing (v1.31.0)	55m 59s
Kubernetes chroot (v1.28.13) / Kubernetes CHROOT	45m 52s
Kubernetes chroot (v1.29.8) / Kubernetes CHROOT	44m 46s
Kubernetes chroot (v1.31.0) / Kubernetes CHROOT	44m 46s
Kubernetes chroot (v1.30.4) / Kubernetes CHROOT	44m 31s
Kubernetes (v1.28.13) / Kubernetes	44m 50s
Kubernetes (v1.30.4) / Kubernetes	44m 51s
Kubernetes (v1.29.8) / Kubernetes	45m 5s
Kubernetes (v1.31.0) / Kubernetes	44m 22s
	10h 6m 47s

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