Update dependency type-fest to ^5.4.1 (#80)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/core/package.json

@@ -64,7 +64,7 @@
     "prettier": "^3.5.3",
     "release-plan": "^0.17.4",
     "tsdown": "^0.19.0",
-    "type-fest": "^5.3.1",
+    "type-fest": "^5.4.1",
     "typescript": "5.9.3",
     "valibot": "^1.2.0",
     "vite": "^7.3.1",