Bump @typescript-eslint/eslint-plugin in /src/backend

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 6.13.2 to 6.17.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.17.0/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

src/backend/package.json

@@ -59,7 +59,7 @@
     "@types/marked": "4.0.7",
     "@types/node": "20.10.4",
     "@types/pug": "2.0.6",
-    "@typescript-eslint/eslint-plugin": "6.13.2",
+    "@typescript-eslint/eslint-plugin": "6.17.0",
     "@typescript-eslint/parser": "6.13.2",
     "eslint": "8.55.0",
     "eslint-config-airbnb-typescript": "17.1.0",