feat: kube-scheduler local dev

[skl]

This PR adds kube-scheduler metrics to the local dev environment.

It was necessary to switch from k3d to kind to access the new kube_pod_resource_request and kube_pod_resource_limit. It also appears that a new job is required to scrape these metrics, as they're exported on a separate endpoint (/metrics/resources). This could have implications for #815 (cc @rexagod).

Here's a screenshot showing the scheduler dashboard and the usual kube-scheduler job:

To test this out for yourself, checkout this branch and run:

make dev dev-port-forward