<LangVersion> for 8.0
<LangVersion> for 8.0

ref https://github.com/peachpiecompiler/peachpie/issues/765

iolevel/peachpie,peachpiecompiler/peachpie,peachpiecompiler/peachpie,iolevel/peachpie,iolevel/peachpie-concept,iolevel/peachpie,iolevel/peachpie-concept,iolevel/peachpie-concept,peachpiecompiler/peachpie