Migrate scripts from OpenResty to NJS #11392

Job	Run time
changes	3s
lua-lint	5s
test-go	4m 3s
Verify Doc generation	8s
Build	14m 32s
Chart / Lint	32s
Chart / Test (v1.28.15)	11m 57s
Chart / Test (v1.29.10)	12m 19s
Chart / Test (v1.30.6)	11m 51s
Chart / Test (v1.31.2)	11m 59s
Kubernetes (v1.28.15) / Kubernetes	46m 2s
Kubernetes (v1.29.10) / Kubernetes	46m 32s
Kubernetes (v1.30.6) / Kubernetes	45m 46s
Kubernetes (v1.31.2) / Kubernetes	44m 40s
Kubernetes chroot (v1.28.15) / Kubernetes CHROOT	48m 58s
Kubernetes chroot (v1.29.10) / Kubernetes CHROOT	47m 5s
Kubernetes chroot (v1.30.6) / Kubernetes CHROOT	46m 42s
Kubernetes chroot (v1.31.2) / Kubernetes CHROOT	47m 10s
	7h 20m 24s

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