config: bump version antlr4 to 4.7
config: bump version antlr4 to 4.7

jochenvdv/checkstyle,ilanKeshet/checkstyle,AkshitaKukreja30/checkstyle,jochenvdv/checkstyle,sabaka/checkstyle,sharang108/checkstyle,jochenvdv/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,rnveach/checkstyle,ilanKeshet/checkstyle,ilanKeshet/checkstyle,romani/checkstyle,checkstyle/checkstyle,liscju/checkstyle,AkshitaKukreja30/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,liscju/checkstyle,sharang108/checkstyle,liscju/checkstyle,jonmbake/checkstyle,romani/checkstyle,sabaka/checkstyle,AkshitaKukreja30/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,jonmbake/checkstyle,checkstyle/checkstyle,jonmbake/checkstyle,sharang108/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,sabaka/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,rnveach/checkstyle