discard data changes when checkout diff branch (#8396)

.github/workflows/VersionCalPRComment.yml

@@ -147,7 +147,8 @@ jobs:
             echo changed module: "${mod}"
             azdev extension add "${mod}" && azdev command-change meta-export "${mod}" --meta-output-path ./"$base_meta_path"/ && azdev extension remove "${mod}"
           done
-          git checkout "$diff_branch"
+          # some module, like confcom, will change local data files, like data/rules.rego, during installation, need to reset when checkout different branch
+          git checkout -f "$diff_branch"
           mkdir "$diff_meta_path"
           for mod in ${changed_module_list[@]}
           do