@uppy/locales: add missing entries after build

packages/@uppy/locales/src/en_US.js

@@ -173,6 +173,7 @@ en_US.strings = {
     '1': 'Uploading %{smart_count} files',
   },
   uploadPaused: 'Upload paused',
+  uploadStalled: 'Upload has not made any progress for %{seconds} seconds. You may want to retry it.',
   uploadXFiles: {
     '0': 'Upload %{smart_count} file',
     '1': 'Upload %{smart_count} files',

website/src/docs/xhr-upload.md

@@ -235,7 +235,7 @@ Indicates whether cross-site Access-Control requests should be made using creden
 export default {
   strings: {
     // Shown in the Informer if an upload is being canceled because it stalled for too long.
-    timedOut: 'Upload stalled for %{seconds} seconds, aborting.',
+    uploadStalled: 'Upload has not made any progress for %{seconds} seconds. You may want to retry it.',
   },
 }
 ```