Automated chart bump dex-2.9.2

[d2iq-dispatch]

What type of PR is this?

BUMP

What this PR does/ why we need it:

https://github.com/mesosphere/dex-controller/releases/tag/v0.6.6

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Bump kube-rbac-proxy to tackle vulnerabilities from CVE-14697

fix: ignore metrics auth https://github.com/mesosphere/dex-controller/compare/v0.6.5...v0.6.6#diff-5437c8653258a2e2a070c91d87e2f7581d12f6c7f103b0d8c324a37307287b65R30

chore: bump kube-rbac-proxy version https://github.com/mesosphere/dex-controller/compare/v0.6.5...v0.6.6#diff-4d1856f3f2123c349e94607208c95a821f2485405db0b97ce41e87336a0ea3a7R21

Checklist

• If a chart is changed, the chart version is correctly incremented.
• The commit message explains the changes and why are needed.
• The code builds and passes lint/style checks locally.
• The relevant subset of integration tests pass locally.
• The core changes are covered by tests.
• The documentation is updated where needed.

[joejulian]

@mesosphere-mergebot backport release/3.3