fix(web): treat AIFF and WavPack as lossless in the upload format hint

The web check only accepted FLAC and WAV, so AIFF files were flagged
"needs attention" although the server already counts them as lossless.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/i18n/locales/en/admin.json

@@ -200,9 +200,9 @@
     "suggest_title": "Suggest tracks",
     "suggest_subtitle": "Files go to the upload queue; an administrator reviews them and places them into a storage",
     "drop_title": "Drop music files or folders here",
-    "drop_hint": "Use FLAC or WAV. MP3 only as a last resort: the quality is worse, and the queue marks that file “needs attention”.",
+    "drop_hint": "Use FLAC, WAV or AIFF. MP3 only as a last resort: the quality is worse, and the queue marks that file “needs attention”.",
     "drop_folders": "Folder structure helps guess the artist and album.",
-    "format_attention": "Not FLAC or WAV. Send MP3 only when there is no lossless file.",
+    "format_attention": "Not lossless (FLAC, WAV, AIFF). Send MP3 only when there is no lossless file.",
     "pick_files": "Choose files",
     "pick_folder": "Choose folder",
     "files": "Files to send",