feat: update benchmarks

Author: adityacodes30

lib/node_modules/@stdlib/array/fixed-endian-factory/benchmark/benchmark_copy_within.length.js

@@ -45,8 +45,8 @@ function createBenchmark( len ) {
 		var arr;
 		var i;
 
-		function generateArray(len) {
-			return new Array(len).fill(0).map(function mapFn(_, idx) {
+		function generateArray( len ) {
+			return new Array( len ).fill( 0 ).map(function mapFn( _, idx ) {
 				return idx + 1;
 			});
 		}