Update dependency ava to v8

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
     "resolve": "^1.1.7"
   },
   "devDependencies": {
-    "ava": "^6.0.0",
+    "ava": "^8.0.0",
     "c8": "^10.0.0",
     "eslint": "^10.8.1",
     "eslint-config-problems": "^10.0.1",