E2E Tests: Explicitly enable metrics. #8747

Job	Run time
changes	4s
test-go	3m 50s
Build	3m 40s
Helm chart	0s
Kubernetes (v1.26.6) / Kubernetes	49m 49s
Kubernetes (v1.28.0) / Kubernetes	52m 57s
Kubernetes (v1.29.0) / Kubernetes	45m 54s
Kubernetes (v1.27.3) / Kubernetes	52m 33s
Kubernetes chroot (v1.26.6) / Kubernetes CHROOT	48m 59s
Kubernetes chroot (v1.28.0) / Kubernetes CHROOT	48m 48s
Kubernetes chroot (v1.27.3) / Kubernetes CHROOT	44m 18s
Kubernetes chroot (v1.29.0) / Kubernetes CHROOT	43m 47s
Kubernetes with Validations (v1.26.6) / Kubernetes VALIDATIONS	48m 15s
Kubernetes with Validations (v1.28.0) / Kubernetes VALIDATIONS	44m 17s
Kubernetes with Validations (v1.27.3) / Kubernetes VALIDATIONS	45m 38s
Kubernetes with Validations (v1.29.0) / Kubernetes VALIDATIONS	44m 49s
	9h 37m 38s

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