Refactor to use ES2024+ features for Node 24

Use Set for O(1) redirect status code lookup in fetch.ts

Use at(-1) and Object.hasOwn() in tools.ts

Use for...of with entries() in utils.ts

src/utils.ts

@@ -97,9 +97,8 @@ export async function parseIniFile(ini_file: string): Promise<string> {
 }
 
 /**
- * Async foreach loop
+ * Async foreach loop using modern for...of pattern
  *
- * @author https://github.com/Atinux
  * @param array
  * @param callback
  */
@@ -111,8 +110,8 @@ export async function asyncForEach(
     array: Array<string>
   ) => Promise<void>
 ): Promise<void> {
-  for (let index = 0; index < array.length; index++) {
-    await callback(array[index], index, array);
+  for (const [index, element] of array.entries()) {
+    await callback(element, index, array);
   }
 }