Fix eslint warnings

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/utils/asyncForEach.ts

@@ -1,5 +1,9 @@
-async function asyncForEach(array: Array<any>, callback: Function) {
+async function asyncForEach(
+  array: Array<any>,
+  callback: (arg0: any, arg1: number, arg2: Array<any>) => any
+): Promise<void> {
   for (let index = 0; index < array.length; index += 1) {
+    // eslint-disable-next-line no-await-in-loop
     await callback(array[index], index, array);
   }
 }