chore(deps): update dependency memfs to ^4.49.0 (web-infra-dev#377)

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

Author: renovate[bot]

packages/rslint-wasm/package.json

@@ -30,7 +30,7 @@
     "buffer": "^6.0.3",
     "cross-env": "^10.1.0",
     "esbuild-plugin-polyfill-node": "0.3.0",
-    "memfs": "^4.38.2",
+    "memfs": "^4.49.0",
     "prebundle": "1.4.1",
     "@typescript/native-preview": "7.0.0-dev.20250904.1"
   },