Bump version to 0.15.1

Update the changelog and readme for v0.15.0

Bump version to 0.14.0

Update changelog

Attempt to fix the AppImage in github CI

The current one doesn't work when we try to open a file.  I use the gtk
plugin here to hopefully bundle all the needed files.

Fix release build on linux with gcc 12

Some errors in cgltf library.

Bump version to 0.11.0

Fix compilation on Windows

Fix compilation on Windows

Bump version to 0.10.6