chore(backend): bump jest from 29.7.0 to 30.0.0 in /services/backend

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) from 29.7.0 to 30.0.0.
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.0.0/packages/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-version: 30.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

services/backend/package.json

@@ -54,7 +54,7 @@
     "drizzle-kit": "^0.31.1",
     "eslint": "^9.29.0",
     "fs-extra": "^11.3.0",
-    "jest": "^29.7.0",
+    "jest": "^30.0.2",
     "release-it": "^19.0.2",
     "supertest": "^7.1.1",
     "ts-jest": "^29.3.4",