chore(deps-dev): bump json-merger from 1.1.10 to 2.0.0 (#10201)

Bumps [json-merger](https://github.com/boschni/json-merger) from 1.1.10 to 2.0.0.
- [Release notes](https://github.com/boschni/json-merger/releases)
- [Commits](https://github.com/boschni/json-merger/commits/v2.0.0)

---
updated-dependencies:
- dependency-name: json-merger
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -155,7 +155,7 @@
     "jest-transform-stub": "=2.0.0",
     "jsdom": "=25.0.1",
     "json-loader": "^0.5.7",
-    "json-merger": "^1.1.10",
+    "json-merger": "^2.0.0",
     "json-server": "=0.17.4",
     "less": "^4.2.0",
     "license-checker": "^25.0.0",