Bump lodash from 4.17.15 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.21)

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

Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "http-status-codes": "^1.3.0",
     "joi": "^14.3.1",
     "jsonwebtoken": "^8.3.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "morgan": "^1.7.0",
     "multer": "^1.4.5-lts.1",
     "node-redshift": "^0.1.5",