chore: release v1.40.0

Author: sheremet-va

package.json

@@ -2,7 +2,7 @@
   "publisher": "vitest",
   "name": "explorer",
   "displayName": "Vitest",
-  "version": "1.38.1",
+  "version": "1.40.0",
   "packageManager": "pnpm@10.11.1",
   "description": "A Vite-native testing framework. It's fast!",
   "author": "Vitest Team",