To whom it may concern,
I see no option to update the installed extensions in the Orion browser. I might have missed something but so far I failed to find a way. The only way is to re-download them. Please let me know if I'm missing something. It was the same way on the previous version too.
Orion Version 0.99.121-beta (WebKit 614.1.20), MBA M1, Monterey 12.1