Bump lodash from 3.10.1 to 4.17.19

Bumps [lodash](https://github.com/lodash/lodash) from 3.10.1 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@3.10.1...4.17.19)

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

package.json

@@ -23,7 +23,7 @@
   },
   "homepage": "https://github.com/kjda/ReactFlux",
   "dependencies": {
-    "lodash": "^3.10.1",
+    "lodash": "^4.17.19",
     "promise": "^7.0.1"
   },
   "devDependencies": {