chore: bump @ngneat/spectator from 20.0.0 to 21.0.0

Bumps [@ngneat/spectator](https://github.com/ngneat/spectator) from 20.0.0 to 21.0.0.
- [Changelog](https://github.com/ngneat/spectator/blob/master/CHANGELOG.md)
- [Commits](ngneat/spectator@v20.0.0...v21.0.0)

---
updated-dependencies:
- dependency-name: "@ngneat/spectator"
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -48,7 +48,7 @@
     "@commitlint/cli": "^19.8.1",
     "@commitlint/config-conventional": "^19.8.1",
     "@compodoc/compodoc": "^1.1.26",
-    "@ngneat/spectator": "^20.0.0",
+    "@ngneat/spectator": "^21.0.0",
     "@types/jest": "^29.0.0",
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^24.0.10",