chore: fix JavaScript lint errors (issue #8282)

Author: WillyEverGreen

lib/node_modules/@stdlib/fs/read-file/examples/index.js

@@ -22,7 +22,9 @@ var readFile = require( './../lib' );
 
 /* Sync */
 
-var file = readFile.sync( __filename, 'utf8' );
+var file = readFile.sync( __filename, {
+	'encoding': 'utf8'
+});
 // returns <string>
 
 console.log( file instanceof Error );