Update Grafana dashboards script URL #8215

Job	Run time
verify-internal-links	1m 14s
markdownlint	24s
verify-internal-link-anchors	18s
check-control-characters	13s
check-unclosed-tags	9s
check-file-encoding	11s
check-manual-line-breaks	13s
check-git-conflicts	12s
	2m 54s

Provide feedback