fix: warning due to removed folder in 1.2.4. Bug #65562. Patch by philipnienhuis
chore: remove repeated forlder from Makefile
Merge branch 'upstream-master'
chore: update DESCRIPTION
chore: update foilders Makefile and NEWS
fix: files enocding to avoid regexp error on installation, loading and testing.
fix: avoid compilation waring. Apply change suggested by Dmitri https://savannah.gnu.org/bugs/?60884
fix: update runtests(removed in octave 8) to oruntests