Update lib/octocatalog-diff/catalog-diff/differ.rb
Update lib/octocatalog-diff/catalog-diff/differ.rb

Use Marshal.dump to handle objects

Co-Authored-By: Alexander Fisher <60c6d277a8bd81de7fdde19201bf9c58a3df08f4@linfratech.co.uk>
github/octocatalog-diff,github/octocatalog-diff,github/octocatalog-diff