Template: Fix faulty CORS headers handling. #11424

Job	Run time
changes	5s
Verify Doc generation	7s
Build	13m 54s
lua-lint	4s
test-go	4m 3s
Chart / Lint	30s
Chart / Test (v1.28.15)	7m 26s
Chart / Test (v1.29.10)	7m 15s
Chart / Test (v1.30.6)	7m 16s
Chart / Test (v1.31.2)	7m 13s
Kubernetes (v1.28.15) / Kubernetes	4m 46s
Kubernetes (v1.29.10) / Kubernetes	4m 35s
Kubernetes (v1.30.6) / Kubernetes	4m 31s
Kubernetes (v1.31.2) / Kubernetes	4m 33s
Kubernetes chroot (v1.28.15) / Kubernetes CHROOT	4m 36s
Kubernetes chroot (v1.29.10) / Kubernetes CHROOT	4m 36s
Kubernetes chroot (v1.30.6) / Kubernetes CHROOT	4m 32s
Kubernetes chroot (v1.31.2) / Kubernetes CHROOT	4m 21s
	1h 24m 23s

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