Test with libheif PPA on GitHub Actions
Test with libheif PPA on GitHub Actions

Since the one provided by Ubuntu 20.04 does not depend on aom.

lovell/libvips,jcupitt/libvips,lovell/libvips,lovell/libvips,jcupitt/libvips,jcupitt/libvips,jcupitt/libvips,lovell/libvips