build(deps): bump @sumup/sdk from 0.0.12 to 0.0.13 in /backend/node in the sumup-sdk group (#16)

Author: dependabot[bot]

backend/node/package-lock.json

@@ -8,7 +8,7 @@
     "lint:fix": "biome check --write"
   },
   "dependencies": {
-    "@sumup/sdk": "^0.0.12",
+    "@sumup/sdk": "^0.0.13",
     "express": "^5.2.1"
   },
   "devDependencies": {