Update dependency bn.js to v5.1.2

Author: renovate-bot

package.json

@@ -41,7 +41,7 @@
     "@babel/preset-env": "7.9.6",
     "@babel/register": "7.9.0",
     "ava": "3.8.2",
-    "bn.js": "5.1.1",
+    "bn.js": "5.1.2",
     "coveralls": "3.1.0",
     "esdoc": "1.1.0",
     "esdoc-inject-script-plugin": "1.0.0",

yarn.lock

@@ -1380,10 +1380,10 @@ blueimp-md5@^2.10.0:
   resolved "https://registry.yarnpkg.com/blueimp-md5/-/blueimp-md5-2.14.0.tgz#ac45786ede87d2a985478040d2ac38a9af7a16ac"
   integrity sha512-fhX8JsIgugJ39g9MUJ4Y0S+WYd/1HATNVzW4nEVknP5uJU1mA7LZCV3OuVH9OvxpuYQXu6ttst0IYIlAyVfBQg==
 
-[email protected].1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.1.1.tgz#48efc4031a9c4041b9c99c6941d903463ab62eb5"
-  integrity sha512-IUTD/REb78Z2eodka1QZyyEk66pciRcP6Sroka0aI3tG/iwIdYLrBD62RsubR7vqdt3WyX8p4jxeatzmRSphtA==
+[email protected].2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.1.2.tgz#c9686902d3c9a27729f43ab10f9d79c2004da7b0"
+  integrity sha512-40rZaf3bUNKTVYu9sIeeEGOg7g14Yvnj9kH7b50EiwX0Q7A6umbvfI5tvHaOERH0XigqKkfLkFQxzb4e6CIXnA==
 
 boolbase@~1.0.0:
   version "1.0.0"