Bump eslint and @types/eslint in /backend

Bumps [eslint](https://github.com/eslint/eslint) and [@types/eslint](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/eslint). These dependencies needed to be updated together.

Updates `eslint` from 8.51.0 to 8.52.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v8.51.0...v8.52.0)

Updates `@types/eslint` from 8.44.3 to 8.44.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/eslint)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

backend/package-lock.json

@@ -22,7 +22,7 @@
     "@types/aws-lambda": "^8.10.125",
     "@types/cookie-parser": "^1.4.3",
     "@types/cors": "^2.8.12",
-    "@types/eslint": "^8.44.3",
+    "@types/eslint": "^8.44.6",
     "@types/eslint-plugin-prettier": "^3.1.0",
     "@types/express": "^4.17.14",
     "@types/geojson": "^7946.0.10",
@@ -39,7 +39,7 @@
     "@types/stripe": "^8.0.296",
     "@typescript-eslint/eslint-plugin": "^5.61.0",
     "@typescript-eslint/parser": "^5.61.1",
-    "eslint": "^8.51.0",
+    "eslint": "^8.52.0",
     "eslint-config-jboolean": "^0.1.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.2.1",