chore: bump up ava version to v8 (#190)

Author: renovate[bot]

package.json

@@ -71,7 +71,7 @@
     "@oxc-node/core": "^0.1.0",
     "@taplo/cli": "^0.7.0",
     "@tybys/wasm-util": "^0.10.0",
-    "ava": "^7.0.0",
+    "ava": "^8.0.0",
     "chalk": "^5.6.2",
     "emnapi": "^1.5.0",
     "husky": "^9.1.7",
@@ -94,9 +94,9 @@
     ]
   },
   "ava": {
-    "extensions": {
-      "ts": "module"
-    },
+    "extensions": [
+      "ts"
+    ],
     "timeout": "2m",
     "workerThreads": false,
     "environmentVariables": {