chore: update contributors

Author: jacobheun

package.json

@@ -1,6 +1,6 @@
 {
   "name": "libp2p-mdns",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "description": "Node.js libp2p mDNS discovery implementation for peer discovery",
   "leadMaintainer": "Jacob Heun <jacobheun@gmail.com>",
   "main": "src/index.js",
@@ -51,6 +51,7 @@
   },
   "contributors": [
     "Alan Shaw <alan.shaw@protocol.ai>",
+    "Alex Potsides <alex@achingbrain.net>",
     "David Dias <daviddias.p@gmail.com>",
     "Friedel Ziegelmayer <dignifiedquire@gmail.com>",
     "Jacob Heun <jacobheun@gmail.com>",