Update swift-argument-parser checkout to 0.3.0
Update swift-argument-parser checkout to 0.3.0

JGiola/swift,glessard/swift,parkera/swift,JGiola/swift,tkremenek/swift,hooman/swift,hooman/swift,benlangmuir/swift,benlangmuir/swift,hooman/swift,rudkx/swift,rudkx/swift,JGiola/swift,apple/swift,atrick/swift,tkremenek/swift,glessard/swift,gregomni/swift,roambotics/swift,glessard/swift,atrick/swift,rudkx/swift,roambotics/swift,JGiola/swift,JGiola/swift,benlangmuir/swift,xwu/swift,hooman/swift,parkera/swift,CodaFi/swift,nathawes/swift,benlangmuir/swift,rudkx/swift,benlangmuir/swift,ahoppen/swift,gregomni/swift,ahoppen/swift,glessard/swift,CodaFi/swift,roambotics/swift,ahoppen/swift,tkremenek/swift,parkera/swift,xwu/swift,JGiola/swift,roambotics/swift,glessard/swift,ahoppen/swift,nathawes/swift,parkera/swift,CodaFi/swift,nathawes/swift,apple/swift,tkremenek/swift,tkremenek/swift,CodaFi/swift,rudkx/swift,jmgc/swift,atrick/swift,atrick/swift,apple/swift,jmgc/swift,roambotics/swift,ahoppen/swift,roambotics/swift,gregomni/swift,rudkx/swift,tkremenek/swift,xwu/swift,xwu/swift,parkera/swift,gregomni/swift,gregomni/swift,CodaFi/swift,hooman/swift,jmgc/swift,nathawes/swift,xwu/swift,nathawes/swift,parkera/swift,jmgc/swift,atrick/swift,jmgc/swift,ahoppen/swift,hooman/swift,nathawes/swift,CodaFi/swift,xwu/swift,benlangmuir/swift,CodaFi/swift,apple/swift,parkera/swift,atrick/swift,xwu/swift,tkremenek/swift,jmgc/swift,hooman/swift,jmgc/swift,apple/swift,parkera/swift,gregomni/swift,glessard/swift,nathawes/swift,apple/swift