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>

package.json

@@ -65,7 +65,7 @@
     "image-size": "0.8.3",
     "ipfs-http-client": "^50.1.0",
     "jsonwebtoken": "^8.2.0",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "mailgun-js": "^0.22.0",
     "method-override": "^3.0.0",
     "moment": "^2.23.0",