chore(deps): update dependency prettier to v3.7.4

Author: renovate[bot]

sitzverteilung-frontend/package-lock.json

@@ -42,7 +42,7 @@
     "eslint-plugin-vue": "10.6.2",
     "jsdom": "27.2.0",
     "markdownlint-cli": "0.46.0",
-    "prettier": "3.6.2",
+    "prettier": "3.7.4",
     "typescript": "5.9.3",
     "unplugin-fonts": "1.4.0",
     "vite": "7.2.6",