Also prevent setuptools from getting upgraded (#289)

* Also prevent setuptools from getting upgraded

flake8-import-order < 0.19 require setuptools < 82, so tell Renovate to not upgrade either of these for now

* Use list of strings

Author: mshafer-NI

.github/renovate.json

@@ -23,9 +23,9 @@
             ]
         },
         {
-            "matchPackageNames": ["flake8-import-order"], // we're not compatible with 0.19.0 yet due to #226
+            "matchPackageNames": ["flake8-import-order", "setuptools"], // we're not compatible with 0.19.0 yet due to #226
             "matchManagers": ["poetry"],
             "enabled": false
         }
     ]
-}
+}