chore(deps): update dependency knip to v6

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "eslint": "^9.18.0",
     "globals": "^17.0.0",
     "jest": "^29.7.0",
-    "knip": "^5.45.3",
+    "knip": "^6.0.0",
     "rimraf": "^6.0.1",
     "ts-jest": "^29.2.5",
     "type-fest": "^5.1.0",