Deprecated fuse v2 for appImage, update needed

[pedro757]

Current version of libfuse is v3, the latest appImage is using deprecated version fuse v2, which is incompatible with latest version, making it impossible to run in modern Linux distros by default.

[juliusmarminge]

Closing as a duplicate of #1482, which already tracks the AppImage dependency on legacy FUSE 2 on modern Ubuntu/Linux distributions.