Update deps.

Author: Gabriel Cardona

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "bitcoincashjs-lib",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "description": "Client-side Bitcoin JavaScript library",
   "main": "./src/index.js",
   "engines": {
@@ -39,7 +39,7 @@
     "create-hmac": "^1.1.3",
     "ecurve": "^1.0.0",
     "merkle-lib": "^2.0.10",
-    "pushdata-bitcoin": "^1.0.1",
+    "pushdata-bitcoin": "Bitcoin-com/pushdata-bitcoin#1.2.0",
     "randombytes": "^2.0.1",
     "safe-buffer": "^5.0.1",
     "typeforce": "^1.11.3",