chore(deps): Update vitest monorepo to v4 (#5)

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

Author: renovate[bot]

packages/deflex/package.json

@@ -54,11 +54,11 @@
   },
   "devDependencies": {
     "@types/node": "24.9.1",
-    "@vitest/coverage-v8": "3.2.4",
+    "@vitest/coverage-v8": "4.0.5",
     "publint": "0.3.15",
     "tsdown": "0.15.12",
     "typescript": "5.9.3",
-    "vitest": "3.2.4"
+    "vitest": "4.0.5"
   },
   "dependencies": {
     "@algorandfoundation/algokit-utils": "9.1.2",