[Dev Deps] update array.prototype.flatmap

Author: ljharb

package.json

@@ -47,7 +47,7 @@
     },
     "devDependencies": {
         "@ljharb/eslint-config": "^18.0.0",
-        "array.prototype.flatmap": "^1.2.4",
+        "array.prototype.flatmap": "^1.2.5",
         "aud": "^1.1.5",
         "concat-stream": "^1.6.2",
         "eclint": "^2.8.1",