Merge pull request #3229 from vkarak/ci/update-centos7-containers

[ci] Fix Tmod32 container due to Centos 7 EOL

Author: vkarak

ci-scripts/dockerfiles/Tmod32.dockerfile

@@ -1,5 +1,9 @@
 FROM centos:7
 
+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
+
 # Install Tmod 3.2.10
 RUN yum -y install environment-modules && \
     yum clean all && \