chore(backend): bump eslint from 9.39.2 to 10.0.0 in /services/backend

Bumps [eslint](https://github.com/eslint/eslint) from 9.39.2 to 10.0.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](eslint/eslint@v9.39.2...v10.0.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 10.0.0
  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

@@ -68,7 +68,7 @@
     "autoprefixer": "^10.4.24",
     "copy-webpack-plugin": "^13.0.1",
     "drizzle-kit": "^0.31.8",
-    "eslint": "^9.39.2",
+    "eslint": "^10.0.0",
     "fs-extra": "^11.3.3",
     "jest": "^30.2.0",
     "node-loader": "^2.1.0",