add jest-extended devDep

Co-Authored-By: Claude (Opus 4.6) <noreply@anthropic.com>

Author: silverwind

package.json

@@ -20,12 +20,13 @@
     "p-map": "^7.0.4"
   },
   "devDependencies": {
-    "versions": "14.3.1",
     "eslint": "9.39.2",
     "eslint-config-silverwind": "131.0.4",
+    "jest-extended": "7.0.0",
     "typescript-config-silverwind": "17.0.0",
     "updates": "17.15.2",
     "updates-config-silverwind": "2.1.0",
+    "versions": "14.3.1",
     "vitest": "4.1.4",
     "vitest-config-silverwind": "11.1.4"
   },