add ARG APP_GID to Dockerfiles

Dockerfile.aarch64

@@ -55,6 +55,7 @@ ARG MODS_VERSION="v3"
 ARG PKG_INST_VERSION="v1"
 ARG LSIOWN_VERSION="v1"
 ARG WITHCONTENV_VERSION="v1"
+ARG APP_GID
 LABEL build_version="${MAINTAINER} version: ${VERSION} Build-date:- ${BUILD_DATE}"
 LABEL maintainer="${MAINTAINER}"