fix(argo-workflows): Moving CRDs to the Templates folder

[christophercutajar]

Note on DCO:

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This PR is related to https://github.com/argoproj/argo-helm/issues/1430. This PR includes:

• Moving CRDs to the templates folder
• Adding crds variable in the `values.yaml

Checklist:

• [x] I have bumped the chart version according to versioning
• [ ] I have updated the documentation according to documentation
• [x] I have updated the chart changelog with all the changes that come with this pull request according to changelog.
• [x] Any new values are backwards compatible and/or have sensible default.
• [x] I have signed off all my commits as required by DCO.
• [ ] My build is green (troubleshooting builds).

Changes are automatically published when merged to main. They are not published on branches.

[yu-croco]

I think this PR has breaking change for existing users, so we need to describe how to adopt existing CRDs, like https://github.com/argoproj/argo-helm/pull/1342 . 👀

argo-workflows does not have upgrade guid for now, like https://github.com/argoproj/argo-helm/tree/main/charts/argo-cd#upgrading , so I think we need to add this section on argo-workflow's README as well.

WDYT @stefansedich @paguos @vladlosev @yann-soubeyrand @jmeridth ? 🙋

[jmeridth]

This was completed with #1472