Fix missing call super().setup() in convergence analysis

Author: xylar

polaris/ocean/convergence/analysis.py

@@ -121,6 +121,7 @@ def setup(self):
         Add input files based on resolutions, which may have been changed by
         user config options
         """
+        super().setup()
         config = self.config
         dependencies = self.dependencies_dict
         if self.refinement == 'time':