Bump nodemon from 2.0.19 to 2.0.21

Bumps [nodemon](https://github.com/remy/nodemon) from 2.0.19 to 2.0.21.
- [Release notes](https://github.com/remy/nodemon/releases)
- [Commits](remy/nodemon@v2.0.19...v2.0.21)

---
updated-dependencies:
- dependency-name: nodemon
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "jest": "^28.1.3",
     "less": "^4.1.3",
     "less-loader": "^7.3.0",
-    "nodemon": "^2.0.19",
+    "nodemon": "^2.0.21",
     "prettier": "2.7.1",
     "style-resources-loader": "^1.4.1",
     "supertest": "^6.3.0",