Bump @types/jsonstream from 0.8.31 to 0.8.33 in /backend

Bumps [@types/jsonstream](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jsonstream) from 0.8.31 to 0.8.33.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jsonstream)

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

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

Author: dependabot[bot]

backend/package-lock.json

@@ -27,7 +27,7 @@
     "@types/express": "^4.17.21",
     "@types/geojson": "^7946.0.10",
     "@types/http-errors": "^2.0.1",
-    "@types/jsonstream": "^0.8.31",
+    "@types/jsonstream": "^0.8.33",
     "@types/jsonwebtoken": "^9.0.4",
     "@types/lodash": "^4.14.191",
     "@types/node": "^20",