templates: update dashboards to include tenant

Add a tenant variable to the composer dashboard, with the option
to select multiple tenants. Add tenant filter to queries accordingly.

link to dashboard: https://grafana.stage.devshift.net/d/image-builder-worker-with-tenant/image-builder-worker?orgId=1
This commit is contained in:
Chloe Kaubisch 2022-06-15 19:46:18 +00:00 committed by Sanne Raymaekers
parent 30a1f6a68f
commit 86971ca312