Fix `net::ERR_OUT_OF_MEMORY` in `@uppy/aws-s3-multipart` (#3183)

Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

packages/@uppy/aws-s3-multipart/src/MultipartUploader.js

@@ -357,6 +357,7 @@ class MultipartUploader {
         defer.reject(error)
         return
       }
+      this.chunks[index] = null;  // This avoids the net::ERR_OUT_OF_MEMORY in Chromium Browsers.
 
       this.#onPartProgress(index, body.size, body.size)