Bump nodemon from 2.0.2 to 2.0.4

Bumps [nodemon](https://github.com/remy/nodemon) from 2.0.2 to 2.0.4.
- [Release notes](https://github.com/remy/nodemon/releases)
- [Commits](https://github.com/remy/nodemon/compare/v2.0.2...v2.0.4)

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

package.json

@@ -74,7 +74,7 @@
     "eslint-plugin-import": "^2.20.1",
     "istanbul": "^0.4.0",
     "mocha": "^8.0.1",
-    "nodemon": "^2.0.2",
+    "nodemon": "^2.0.4",
     "should": "^13.2.1"
   }
 }