fix: upgrade react-json-tree from 0.11.2 to 0.12.0

Snyk has created this PR to upgrade react-json-tree from 0.11.2 to 0.12.0.

See this package in npm:
https://www.npmjs.com/package/react-json-tree

See this project in Snyk:
https://app.snyk.io/org/shaynehmad/project/37aecb9c-98b4-4735-95a2-83d941303b4e?utm_source=github&utm_medium=upgrade-pr

monkey/monkey_island/cc/ui/package-lock.json

@@ -13712,11 +13712,10 @@
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
     },
     "react-json-tree": {
-      "version": "0.11.2",
-      "resolved": "https://registry.npmjs.org/react-json-tree/-/react-json-tree-0.11.2.tgz",
-      "integrity": "sha512-aYhUPj1y5jR3ZQ+G3N7aL8FbTyO03iLwnVvvEikLcNFqNTyabdljo9xDftZndUBFyyyL0aK3qGO9+8EilILHUw==",
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/react-json-tree/-/react-json-tree-0.12.0.tgz",
+      "integrity": "sha512-lp+NDCsU25JTueO1s784oZ5wEmh1c6kHk96szlX1e9bAlyNiHwCBXINpp0C5/D/LwQi9H/a6NjXGkSOS8zxMDg==",
       "requires": {
-        "babel-runtime": "^6.6.1",
         "prop-types": "^15.5.8",
         "react-base16-styling": "^0.5.1"
       }

monkey/monkey_island/cc/ui/package.json

@@ -94,7 +94,7 @@
     "react-filepond": "^7.0.1",
     "react-graph-vis": "^1.0.5",
     "react-hot-loader": "^4.12.20",
-    "react-json-tree": "^0.11.2",
+    "react-json-tree": "^0.12.0",
     "react-jsonschema-form-bs4": "^1.7.1",
     "react-particles-js": "^3.3.0",
     "react-redux": "^5.1.2",