Upgrade to 8.9.0 for Coincashew users

[jeremyisme]

@jeremyisme

Check cardano-cli and cardano-node that the build was successful:

@Ian_Noble Did the previous step work?

If you are going from 1.35.4 you have to the custom libsdoium first. See the first step in this one Update to 8.1.1 for Coincashew users

Then you’ll need blst as well.