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] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
         "express": "^4.17.1",
         "graphql-iso-date": "^3.6.1",
         "jsonwebtoken": "^8.5.1",
-        "lodash": "^4.17.15",
+        "lodash": "^4.17.19",
         "mongoose": "^5.9.15"
     },
     "devDependencies": {