fix: update secure-random. fixes steemit#398

Author: Sekhmet

package.json

@@ -48,7 +48,7 @@
     "ecurve": "^1.0.5",
     "lodash": "^4.16.4",
     "retry": "^0.12.0",
-    "secure-random": "^1.1.1",
+    "secure-random": "^1.1.2",
     "ws": "^3.3.2"
   },
   "devDependencies": {

yarn.lock

@@ -2823,9 +2823,10 @@ [email protected], samsam@~1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.2.tgz#bec11fdc83a9fda063401210e40176c3024d1567"
 
-secure-random@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/secure-random/-/secure-random-1.1.1.tgz#0880f2d8c5185f4bcb4684058c836b4ddb07145a"
+secure-random@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/secure-random/-/secure-random-1.1.2.tgz#ed103b460a851632d420d46448b2a900a41e7f7c"
+  integrity sha512-H2bdSKERKdBV1SwoqYm6C0y+9EA94v6SUBOWO8kDndc4NoUih7Dv6Tsgma7zO1lv27wIvjlD0ZpMQk7um5dheQ==
 
 semver@^5.3.0:
   version "5.4.1"