[Security] Bump react-dom from 16.3.1 to 16.3.3

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) from 16.3.1 to 16.3.3. **This update includes a security fix.**
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/HEAD/packages/react-dom)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -6521,14 +6521,14 @@
       }
     },
     "react-dom": {
-      "version": "16.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.3.1.tgz",
-      "integrity": "sha512-2Infg89vzahq8nfVi1GkjPqq0vrBvf0f3T0+dTtyjq4f6HKOqKixAK25Vr593O3QTx4kw/vmUtAJwerlevNWOA==",
+      "version": "16.3.3",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.3.3.tgz",
+      "integrity": "sha512-ALCp7ZbSGkqRDtQoZozKVNgwXMxbxf/IGOUMC2A0yF6JHeZrS8e2cOotPT87Vf4b7PKCuUVKU4/RDEXxToA/yA==",
       "requires": {
-        "fbjs": "0.8.16",
-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1",
-        "prop-types": "15.6.1"
+        "fbjs": "^0.8.16",
+        "loose-envify": "^1.1.0",
+        "object-assign": "^4.1.1",
+        "prop-types": "^15.6.0"
       }
     },
     "react-is": {

package.json

@@ -52,7 +52,7 @@
     "nconf": "^0.10.0",
     "pico-router": "^2.1.0",
     "react": "^16.12.0",
-    "react-dom": "^16.3.1",
+    "react-dom": "^16.3.3",
     "shortid": "^2.2.4",
     "superagent": "^3.8.2",
     "vitreum": "^4.10.1"