Hi @bz2086,
I suspect this revocation is part of
There is some discussion about how this affects Bitnami users in the thread at
and some proposed suggestions later in the thread (including some official documentation linked at the very bottom). Hopefully one of those will work for you!
I can also see that you did get a new certificate issued, but that your web server is still serving the old one. This might just require the web server process to be restarted, although I don't know the official way to do that on Bitnami.