Address new linting issues flagged by previous commit.

markdownlint.js

@@ -2,11 +2,11 @@
 
 'use strict';
 
-const fs = require('fs');
-const path = require('path');
-const Module = require('module');
-const os = require('os');
-const process = require('process');
+const fs = require('node:fs');
+const path = require('node:path');
+const Module = require('node:module');
+const os = require('node:os');
+const process = require('node:process');
 const program = require('commander');
 
 const options = program.opts();

package.json

@@ -65,7 +65,8 @@
       "promise/prefer-await-to-then": 0,
       "object-shorthand": 0,
       "unicorn/prefer-module": 0,
-      "unicorn/prefer-ternary": 0
+      "unicorn/prefer-ternary": 0,
+      "unicorn/prefer-top-level-await": 0
     }
   },
   "prettier": {

test/test.js

@@ -1,9 +1,9 @@
 'use strict';
 
-const fs = require('fs');
-const path = require('path');
-const os = require('os');
-const process = require('process');
+const fs = require('node:fs');
+const path = require('node:path');
+const os = require('node:os');
+const process = require('node:process');
 const test = require('ava');
 
 const execa = (...args) => import('execa').then(module => module.execa(...args));