chore(deps-dev): bump json-merger from 2.1.0 to 3.0.0

Bumps [json-merger](https://github.com/boschni/json-merger) from 2.1.0 to 3.0.0.
- [Release notes](https://github.com/boschni/json-merger/releases)
- [Commits](boschni/json-merger@v2.1.0...v3.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -159,7 +159,7 @@
     "jest-transform-stub": "=2.0.0",
     "jsdom": "=26.0.0",
     "json-loader": "^0.5.7",
-    "json-merger": "^2.0.0",
+    "json-merger": "^3.0.0",
     "json-server": "=0.17.4",
     "less": "^4.2.2",
     "license-checker": "^25.0.0",