fix where update type was being incorrectly determined as patch when the old version was 4.0.5 and the new version was 4.1.0, which resulted in packages not being restored in the new R installation.
improve restore_packages() to copy packages from all known library paths, and make new library paths available in the new R installation via .Rprofile
patchwhen the old version was4.0.5and the new version was4.1.0, which resulted in packages not being restored in the new R installation.restore_packages()to copy packages from all known library paths, and make new library paths available in the new R installation via.Rprofile