Upgrade ast-grep (vercel#94150)

It wasn't properly analyzing async closures:
https://github.com/vercel/next.js/blob/67d5f9615a6abb14dc2a06737c2810e2c6b6f7b0/.config/ast-grep/rule-tests/no-map-async-cell-test.yml#L34

Author: mischnic

package.json

@@ -109,7 +109,7 @@
   },
   "devDependencies": {
     "@actions/core": "1.10.1",
-    "@ast-grep/cli": "0.31.0",
+    "@ast-grep/cli": "0.42.0",
     "@babel/core": "7.26.10",
     "@babel/eslint-parser": "7.24.6",
     "@babel/generator": "7.27.0",