chore(deps): update devdependency ava to v6

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "@commitlint/cli": "^20.0.0",
     "@commitlint/config-conventional": "^20.0.0",
     "@nuxtjs/eslint-config": "^12.0.0",
-    "ava": "^5.3.1",
+    "ava": "^6.4.1",
     "bili": "latest",
     "eslint": "^8.57.1",
     "fetch-mock": "^9.11.0",