build(deps-dev): bump lodash from 4.17.15 to 4.17.19

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.19)

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

Author: dependabot[bot]

package.json

@@ -44,7 +44,7 @@
     "karma-spec-reporter": "^0.0.32",
     "karma-webpack": "^3.0.5",
     "keycode": "^2.2.0",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.19",
     "lodash-decorators": "^6.0.1",
     "mocha": "^5.0.1",
     "node-sass": "^4.13.0",