add --no-same-owner for extracting graph-data tar

add the --no-same-owner flag while extracting the graph-data
tarball in order to avoid permission issues while extracting
if the user does not have permissions

Author: PratikMahajan

modules/update-service-graph-data.adoc

@@ -17,7 +17,7 @@ FROM registry.access.redhat.com/ubi8/ubi:8.1
 
 RUN curl -L -o cincinnati-graph-data.tar.gz https://api.openshift.com/api/upgrades_info/graph-data
 
-RUN mkdir -p /var/lib/cincinnati-graph-data && tar xvzf cincinnati-graph-data.tar.gz -C /var/lib/cincinnati-graph-data/ --no-overwrite-dir
+RUN mkdir -p /var/lib/cincinnati-graph-data && tar xvzf cincinnati-graph-data.tar.gz -C /var/lib/cincinnati-graph-data/ --no-overwrite-dir --no-same-owner
 
 CMD ["/bin/bash", "-c" ,"exec cp -rp /var/lib/cincinnati-graph-data/* /var/lib/cincinnati/graph-data"]
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