Merge pull request #28 from OpenSpace/dependabot/npm_and_yarn/backend/multer-2.1.0

Bump multer from 1.4.5-lts.1 to 2.1.0 in /backend

Author: alexanderbock

backend/package-lock.json

@@ -16,7 +16,7 @@
     "express": "^5.2.0",
     "fs": "^0.0.1-security",
     "glob": "^11.1.0",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.1.0",
     "pixelmatch": "^5.3.0",
     "pngjs": "^7.0.0",
     "resize-img": "^2.0.0",