try US mirror

Author: RazvanLiviuVarzaru

ci_build_images/centos.Dockerfile

@@ -10,7 +10,7 @@ LABEL maintainer="MariaDB Buildbot maintainers"
 # Install updates and required packages
 # hadolint ignore=SC2086
 RUN source /etc/os-release \
-    && if [ "$ID" == "openEuler" ]; then sed -i 's#http://repo.openeuler.org#https://mirrors.dotsrc.org/openeuler#g' /etc/yum.repos.d/openEuler.repo; fi \ 
+    && if [ "$ID" == "openEuler" ]; then sed -i 's#http://repo.openeuler.org#https://https://mirrors.ocf.berkeley.edu/openeuler#g' /etc/yum.repos.d/openEuler.repo; fi \
     && dnf -y install 'dnf-command(config-manager)' \
     && source /etc/os-release \
     && ARCH=$(rpm --query --queryformat='%{ARCH}' rpm) \