Build(deps-dev): Bump nx from 21.1.3 to 21.2.1 (#4639)

Bumps [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx) from 21.1.3 to 21.2.1.
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/21.2.1/packages/nx)

---
updated-dependencies:
- dependency-name: nx
  dependency-version: 21.2.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -118,7 +118,7 @@
     "lint-staged": "^16.0.0",
     "ng-packagr": "18.2.1",
     "node-stream-zip": "^1.14.0",
-    "nx": "21.1.3",
+    "nx": "21.2.1",
     "prettier": "3.5.3",
     "stylelint": "^15.11.0",
     "stylelint-config-standard-scss": "^7.0.1",