Use published version of rcon-client-fork (#188)

Switch to a version of rcon-client-fork that's published on npm.  Avoids
having to put build files in the git repo.

client.js

@@ -6,7 +6,7 @@ const path = require('path');
 const syncRequest = require('sync-request');
 const request = require("request");
 const ncp = require('ncp').ncp;
-const Rcon = require('rcon-client').Rcon;
+const Rcon = require('rcon-client-fork').Rcon;
 const hashFiles = require('hash-files');
 const _ = require('underscore');
 const deepmerge = require("deepmerge");

package.json

@@ -57,7 +57,7 @@
     "node-factorio-api": "^0.3.1-alpha",
     "node-forge": "^0.7.1",
     "prom-client": "^10.2.3",
-    "rcon-client": "git+https://gitlab.com/Zerot/rcon-client.git",
+    "rcon-client-fork": "^3.2.0",
     "request": "^2.83.0",
     "right-pad": "^1.0.1",
     "rmdir-sync": "^1.0.1",