Is it possilbe to add github private repo to argocd

[shyam-ks]

I was trying to add publish helm chart repo to github pages - private ( which worked.)
i was not able to add the private repo url as helm chart repo to argocd.
Getting this error.
Unable to connect HTTPS repository: yaml: line 206: mapping values are not allowed in this context

Github actions
- name: Run chart-releaser
uses: helm/chart-releaser-action@v1.1.0
with:
charts_dir: charts
charts_repo_url: https://raw.githubusercontent.com/Org/helm-repo/gh-pages
env:
CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

Github integrated with Okta