community/blueprint-compiler: upgrade to 0.8.1
https://gitlab.gnome.org/jwestman/blueprint-compiler/-/blob/v0.8.1/NEWS.md
uses libadwaita now, opened dynamically at runtime
https://gitlab.gnome.org/jwestman/blueprint-compiler/-/blob/v0.8.1/NEWS.md
uses libadwaita now, opened dynamically at runtime