chore(deps-dev): update helm/chart-testing-action action to v2.6.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
helm/chart-testing-action	action	patch	v2.6.0 -> v2.6.1

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Release Notes

helm/chart-testing-action (helm/chart-testing-action)

### [`v2.6.1`](https://togithub.com/helm/chart-testing-action/releases/tag/v2.6.1) [Compare Source](https://togithub.com/helm/chart-testing-action/compare/v2.6.0...v2.6.1) #### What's Changed - bump ct to v3.10.1 by [@​cpanato](https://togithub.com/cpanato) in [https://github.com/helm/chart-testing-action/pull/136](https://togithub.com/helm/chart-testing-action/pull/136) **Full Changelog**: https://github.com/helm/chart-testing-action/compare/v2...v2.6.1

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Configuration

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🚦 Automerge: Enabled.

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

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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