Bump lodash from 4.17.11 to 4.17.13

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.13.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.11...4.17.13)

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

package.json

@@ -14,7 +14,7 @@
     "telegraf": "^3.23.0",
     "moment": "^2.22.2",
     "mongoose": "^5.2.12",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.13",
     "node-schedule": "^1.3.0",
     "firebase": "^5.4.2",
     "snyk": "^1.191.0"