fs: use getLazy utility for minimatch

Author: mcollina

lib/internal/fs/watchers.js

@@ -24,6 +24,7 @@ const {
 
 const {
   kEmptyObject,
+  getLazy,
   isWindows,
   isMacOS,
 } = require('internal/util');
@@ -78,11 +79,7 @@ const KFSStatWatcherRefCount = Symbol('KFSStatWatcherRefCount');
 const KFSStatWatcherMaxRefCount = Symbol('KFSStatWatcherMaxRefCount');
 const kFSStatWatcherAddOrCleanRef = Symbol('kFSStatWatcherAddOrCleanRef');
 
-let minimatch;
-function lazyMinimatch() {
-  minimatch ??= require('internal/deps/minimatch/index');
-  return minimatch;
-}
+const lazyMinimatch = getLazy(() => require('internal/deps/minimatch/index'));
 
 /**
  * Creates an ignore matcher function from the ignore option.