fix(package): update @aureooms/js-integer-big-endian to version 4.0.0

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -23,7 +23,7 @@
     "url": "https://github.com/aureooms/js-integer/issues"
   },
   "dependencies": {
-    "@aureooms/js-integer-big-endian": "^3.0.0"
+    "@aureooms/js-integer-big-endian": "^4.0.0"
   },
   "devDependencies": {
     "@aureooms/js-algorithms": "^3.0.7",