chore(deps): bump multer from 2.0.2 to 2.1.1 in /apps/backend (#82)

Author: Bentroen

apps/backend/package.json

@@ -48,7 +48,7 @@
     "esm": "^3.2.25",
     "express": "^5.2.1",
     "mongoose": "^9.0.1",
-    "multer": "2.0.2",
+    "multer": "2.1.1",
     "nanoid": "^5.1.6",
     "passport": "^0.7.0",
     "passport-github": "^1.1.0",