fix(deps): update helm release grafana-loki to v4.7.0 #2096

Job	Run time
Variables	4s
Lint Charts	2m 36s
Test Charts (loki-gateway)	1m 57s
Test Charts (du-metrics-server)	2m 5s
Test Charts (drax)	6m 20s
Test Charts (cu-up)	2m 59s
Test Charts (cu-cp)	2m 56s
Test Charts (cell-wrapper)	2m 39s
Test Charts (xapp-hello-world)	2m 8s
Test Charts (xapp-redis)	1m 36s
Release Charts	49s
Release / Please	36s
	26m 45s

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