build(deps-dev): bump nodemon from 2.0.20 to 2.0.21 (#373)

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

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "eventsource": "^2.0.2",
     "nock": "^13.3.0",
-    "nodemon": "^2.0.20",
+    "nodemon": "^2.0.21",
     "proxyquire": "^2.1.3",
     "sinon": "^15.0.1",
     "standard": "^17.0.0",