chore(deps): update dependency @vitest/coverage-v8 to v2.1.9 (#422)

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

Author: renovate[bot]

package.json

@@ -64,7 +64,7 @@
   "devDependencies": {
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
-    "@vitest/coverage-v8": "2.1.6",
+    "@vitest/coverage-v8": "2.1.9",
     "jsdom": "^26.0.0",
     "prettier": "^3.4.2",
     "prettier-plugin-astro": "^0.14.1",