chore(deps): update test packages to v2.1.8 (#645)

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

package.json

@@ -46,7 +46,7 @@
     "@antfu/eslint-config": "3.8.0",
     "@typescript-eslint/eslint-plugin": "8.17.0",
     "@typescript-eslint/parser": "8.17.0",
-    "@vitest/coverage-v8": "2.1.7",
+    "@vitest/coverage-v8": "2.1.8",
     "bumpp": "9.4.0",
     "conventional-changelog-conventionalcommits": "8.0.0",
     "esbuild": "0.20.2",
@@ -60,7 +60,7 @@
     "typescript": "5.3.3",
     "unbuild": "2.0.0",
     "vite": "6.0.2",
-    "vitest": "2.1.7"
+    "vitest": "2.1.8"
   },
   "simple-git-hooks": {
     "pre-commit": "npx lint-staged"