Add DRA jobs to perf dash

[nojnhuh]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Moving the DRA scalability jobs into their own DRA subdirectory in kubernetes/test-infra#35033 made their results disappear from perf-dash. This PR adds that subdirectory as a source from which to pull data.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

[jackfrancis]

/lgtm

[nojnhuh]

cc @alaypatel07

[jackfrancis]

/assign @mborsz @shyamjvs @wojtek-t

We need this to actually visualize the DRA SIG Scalability results in https://perf-dash.k8s.io

thank you!

[alaypatel07]

/lgtm

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/lifecycle stale

[nojnhuh]

This is still an issue.
/remove-lifecycle stale

/assign @mborsz
for approval

[wojtek-t]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alaypatel07, jackfrancis, nojnhuh, wojtek-t

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• perfdash/OWNERS [wojtek-t]

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