mxbuild requirs libicu and xargs provided by findutils package

Author: xiwenc

rootfs-builder.dockerfile

@@ -13,7 +13,7 @@ ENV LC_ALL C.UTF-8
 RUN rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm &&\
     microdnf update -y && \
     microdnf module enable nginx:1.20 -y && \
-    microdnf install -y wget curl glibc-langpack-en python3 python3-setuptools openssl libgdiplus tar gzip unzip libpq nginx nginx-mod-stream binutils fontconfig && \
+    microdnf install -y wget curl glibc-langpack-en python3 python3-setuptools openssl libgdiplus tar gzip unzip libpq nginx nginx-mod-stream binutils fontconfig libicu findutils && \
     microdnf clean all && rm -rf /var/cache/yum
 
 # Set nginx permissions