octocatalog-diff: use the censored private data instead of the prod data

bin/octocatalog-diff

@@ -105,13 +105,13 @@ if [ ! -d $TMPDIR/environments/$FROM ]; then
     echo "Unknown --from branch $FROM"
     unknown_branch=true
 else
-    git clone $PUPPET_ENV/private/swh-private-data $TMPDIR/environments/$FROM/data/private 2>/dev/null
+    git clone $PUPPET_ENV/private/swh-private-data-censored $TMPDIR/environments/$FROM/data/private
 fi
 if [ ! -d $TMPDIR/environments/$TO ]; then
     echo "Unknown --to branch $TO"
     unknown_branch=true
 else
-    git clone $PUPPET_ENV/private/swh-private-data $TMPDIR/environments/$TO/data/private 2>/dev/null
+    git clone $PUPPET_ENV/private/swh-private-data-censored $TMPDIR/environments/$TO/data/private
 fi
 
 if [ "${unknown_branch}" = "true" ]; then