chore: remove .tool-versions and pin Node engine to 24.x

Author: dzienisz

.tool-versions

@@ -120,7 +120,7 @@
     "vitest": "^4.1.0"
   },
   "engines": {
-    "node": ">=22",
+    "node": "24.x",
     "npm": ">=10.8",
     "pnpm": ">=9.4"
   },