python3Packages.panphon: update dependencies

Changed files
+2
pkgs
development
python-modules
panphon
+2
pkgs/development/python-modules/panphon/default.nix
···
numpy,
editdistance,
munkres,
+
pandas,
levenshtein,
}:
···
numpy
editdistance
munkres
+
pandas
levenshtein # need for align_wordlists.py script
];