fix: actual use graceful-fs, per review comment

Author: AviVahl

lib/index.js

@@ -5,7 +5,7 @@
 
 "use strict";
 
-const fs = require("fs");
+const fs = require("graceful-fs");
 const CachedInputFileSystem = require("./CachedInputFileSystem");
 const ResolverFactory = require("./ResolverFactory");
 

package.json

@@ -9,6 +9,7 @@
     "LICENSE"
   ],
   "dependencies": {
+    "graceful-fs": "^4.2.4",
     "tapable": "^2.0.0"
   },
   "license": "MIT",

yarn.lock

@@ -1190,7 +1190,7 @@ globals@^12.1.0:
   dependencies:
     type-fest "^0.8.1"
 
-graceful-fs@^4.1.15:
+graceful-fs@^4.1.15, graceful-fs@^4.2.4:
   version "4.2.4"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
   integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==