chore(deps): update vitest to v4 (#2725)

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

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@types/node": "22.18.12",
     "@vitejs/plugin-vue": "6.0.1",
     "@vitejs/plugin-vue-jsx": "5.1.1",
-    "@vitest/coverage-v8": "3.2.4",
+    "@vitest/coverage-v8": "4.0.1",
     "@vue/compat": "3.5.22",
     "@vue/compiler-dom": "3.5.22",
     "@vue/compiler-sfc": "3.5.22",
@@ -59,7 +59,7 @@
     "vite": "7.1.11",
     "vitepress": "1.6.4",
     "vitepress-translation-helper": "0.2.2",
-    "vitest": "3.2.4",
+    "vitest": "4.0.1",
     "vue": "3.5.22",
     "vue-class-component": "8.0.0-rc.1",
     "vue-router": "4.6.3",