argocd-image-updater.readthedocs.io/en/stable site does not reflect content from current stable release

[chengfang]

Describe the bug The stable doc site https://argocd-image-updater.readthedocs.io/en/stable/ seems to be stale, and does not contain recent changes in the current argocd-image-updater stable release. On the upper right corner, it shows v0.14.0 (the current stable release), but the doc content lags behind.

However, the latest doc site https://argocd-image-updater.readthedocs.io/en/latest is up to date.   To Reproduce view https://argocd-image-updater.readthedocs.io/en/stable/

Expected behavior the stable doc site should be up to date with the current stable release.

Additional context readthedocs settings: https://readthedocs.org/projects/argocd-image-updater/ , which only includes versions up to 0.10. The badge shows "docs failing".

Version Please tell us about the version you encountered the issue with

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