Bump lodash from 4.17.19 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.19 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.19...4.17.21)

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

Author: dependabot[bot]

package-lock.json

@@ -39,7 +39,7 @@
     "formidable": "^1.2.2",
     "helmet": "^3.21.3",
     "jsonwebtoken": "^8.5.1",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "morgan": "^1.10.0",
     "mv": "^2.1.1",
     "mv-models": "^4.0.8",