Update Helm release argo-cd to v7

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
argo-cd	major	6.11.1 -> 7.0.0

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Release Notes

argoproj/argo-helm (argo-cd)

### [`v7.0.0`](https://togithub.com/argoproj/argo-helm/releases/tag/argo-cd-7.0.0) [Compare Source](https://togithub.com/argoproj/argo-helm/compare/argo-cd-6.11.1...argo-cd-7.0.0) A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes. #### What's Changed - feat(argo-cd): represent cluster credentials as a map by [@​nbarrientos](https://togithub.com/nbarrientos) in [https://github.com/argoproj/argo-helm/pull/2648](https://togithub.com/argoproj/argo-helm/pull/2648) #### New Contributors - [@​nbarrientos](https://togithub.com/nbarrientos) made their first contribution in [https://github.com/argoproj/argo-helm/pull/2648](https://togithub.com/argoproj/argo-helm/pull/2648) **Full Changelog**: https://github.com/argoproj/argo-helm/compare/argocd-image-updater-0.10.1...argo-cd-7.0.0

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