build(docker): centos7 EOL

docker/Dockerfile

@@ -23,7 +23,10 @@ LABEL org.opencontainers.image.source https://github.com/4paradigm/OpenMLDB
 
 COPY setup_deps.sh /
 # hadolint ignore=DL3031,DL3033
-RUN yum update -y && yum install -y centos-release-scl epel-release && \
+RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo && \
+    sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo && \
+    sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo && \
+    yum update -y && yum install -y centos-release-scl epel-release && \
     yum install -y devtoolset-8 rh-git227 devtoolset-8-libasan-devel flex doxygen java-1.8.0-openjdk-devel rh-python38-python-devel rh-python38-python-wheel rh-python38-python-requests rh-python38-python-pip && \
     curl -Lo lcov-1.15-1.noarch.rpm https://github.com/linux-test-project/lcov/releases/download/v1.15/lcov-1.15-1.noarch.rpm && \
     yum localinstall -y lcov-1.15-1.noarch.rpm && \