Fix(l10n): Update translations from Transifex

Signed-off-by: Nextcloud bot <bot@nextcloud.com>

l10n/br.json

@@ -6,7 +6,7 @@
     "The file was uploaded" : "Kaset eo bet ar restr",
     "No file was uploaded" : "N'eus restr ebet a zo bet kaset",
     "Invalid date, date format must be YYYY-MM-DD" : "Deizat fall, stumm an deizat a zo ret bezhañ BBBB-MM-DD",
-    "Cancel" : "Arrest",
+    "Cancel" : "Nullañ",
     "Drop your files to upload" : "Laoskit ho restroù evit pellkas",
     "Open" : "Digeriñ",
     "Completed" : "Achuet",