Update quay.io/helmpack/chart-testing Docker tag to v3.9.0

This MR contains the following updates:

Package	Type	Update	Change
quay.io/helmpack/chart-testing	ironbank-docker	minor	v3.8.0 -> v3.9.0
quay.io/helmpack/chart-testing		minor	v3.8.0 -> v3.9.0
quay.io/helmpack/chart-testing	stage	minor	v3.8.0 -> v3.9.0

---

Release Notes

helm/chart-testing

v3.9.0

Compare Source

What's Changed

• update goreleaser flags by @​cpanato in https://github.com/helm/chart-testing/pull/539
• feat: verify if targetBranch is present in git repo by @​fty4 in https://github.com/helm/chart-testing/pull/511
• add github grouping of log lines by @​joejulian in https://github.com/helm/chart-testing/pull/556
• fix for ct install getting stuck when printing logs: close readers when done with reading by @​skylenet in https://github.com/helm/chart-testing/pull/557
• update golangci and helm by @​cpanato in https://github.com/helm/chart-testing/pull/575
• add --extra-helm-args to ct lint by @​AndersBennedsgaard in https://github.com/helm/chart-testing/pull/552
• Fix for Dockerfile smell DL3048 by @​grosa1 in https://github.com/helm/chart-testing/pull/543

New Contributors

• @​fty4 made their first contribution in https://github.com/helm/chart-testing/pull/511
• @​joejulian made their first contribution in https://github.com/helm/chart-testing/pull/556
• @​skylenet made their first contribution in https://github.com/helm/chart-testing/pull/557
• @​AndersBennedsgaard made their first contribution in https://github.com/helm/chart-testing/pull/552
• @​grosa1 made their first contribution in https://github.com/helm/chart-testing/pull/543

Full Changelog: https://github.com/helm/chart-testing/compare/v3.8.0...v3.9.0

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.