chore(deps): bump nodemon from 2.0.20 to 2.0.21

Bumps [nodemon](https://github.com/remy/nodemon) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/remy/nodemon/releases)
- [Commits](https://github.com/remy/nodemon/compare/v2.0.20...v2.0.21)

package.json

@@ -22,7 +22,7 @@
     "jsonwebtoken": "^9.0.0",
     "node-forge": "^1.3.1",
     "node-rsa": "^1.1.1",
-    "nodemon": "^2.0.20",
+    "nodemon": "^2.0.21",
     "serve-favicon": "^2.4.2"
   }
 }