chore: check dependencies [skip ci]

[ialejandro]

What this PR does / why we need it:

• Move cr.yaml and ct.yaml on .github folder
• Check dependencies automatically and create PR, example body:

oauth2-proxy
------------

* **Current**: `7.7.*`
* **Upgrade**: `7.7.9`
* Changelog: https://github.com/bitnami/charts/releases/tag/oauth2-proxy/7.7.9

Which issue this PR fixes

N/A

Special notes for your reviewer:

Can execute manually with workflow_dispatch option to create draft PR

Checklist

• DCO signed