chore(deps): update dependency knip to 6.11

Author: renovate[bot]

bun.lock

@@ -10,7 +10,7 @@
   "description": "A flood it game",
   "devDependencies": {
     "@preact/preset-vite": "2.10",
-    "knip": "6.10",
+    "knip": "6.11",
     "oxlint": "1.3",
     "repo-check": "1.45",
     "tailwindcss": "4.2",