- add make-tree-sitter-optional.patch for making the tree-sitter plugins
optional (behind bcond) - this fixes s390x
- enable luajit for riscv64, which leaves ppc64le as the lone arch
which uses lua
- remove post and postun from the spec template, as most standard
packages don't need this (and ChangeLog file, as most projects dont use this
file anymore.
- revert back to default compiler flags