Update dependency ava to v6 (#547)

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

package.json

@@ -26,7 +26,7 @@
     "resolve": "^1.1.7"
   },
   "devDependencies": {
-    "ava": "^5.0.0",
+    "ava": "^6.0.0",
     "c8": "^8.0.0",
     "eslint": "^8.27.0",
     "eslint-config-problems": "^8.0.0",