fix: [stix2 export] Added required field pe_type in STIX PE extension
fix: [stix2 export] Added required field pe_type in STIX PE extension

SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,MISP/MISP,Rafiot/MISP,SteveClement/MISP,FloatingGhost/MISP,MISP/MISP,SteveClement/MISP,Rafiot/MISP,SteveClement/MISP,Rafiot/MISP,FIRSTdotorg/MISP,MISP/MISP,Rafiot/MISP,MISP/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,MISP/MISP