Rebased Docker file

Dockerfile

@@ -14,7 +14,7 @@ RUN yum update -y && \
     yum install restic-${restic_version} -y && \
     # we need this to interact with manila OpenStack to get CephFS information
     yum install centos-release-openstack-xena -y && \
-    yum install -y /usr/bin/openstack python3-requests-kerberos && \
+    #yum install -y /usr/bin/openstack python3-requests-kerberos && \
     yum clean all
 
 COPY ./tekton-task-templates /tekton-task-templates