Update hosted documentation

Congratulations on the new release :) 🎉 I'm in the process of updating the Julia bindings and noticed that the stable docs are currently showing version 0.10.6: https://api.libssh.org/stable/

Would it be possible to update them to 0.11? I use the Doxygen tags to generate links to the upstream docs, and the links to new functions currently don't work because they aren't on the website.

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