chore: update contributors

Author: alanshaw

package.json

@@ -130,6 +130,7 @@
     "Juan Batiz-Benet <juan@benet.ai>",
     "Kevin Wang <kevin@fossa.io>",
     "Kristoffer Ström <kristoffer@rymdkoloni.se>",
+    "Marcin Rataj <lidel@lidel.org>",
     "Matt Bell <mappum@gmail.com>",
     "Maxime Lathuilière <k@maxlath.eu>",
     "Michael Muré <batolettre@gmail.com>",