Fix regular expression for RFC 5646 (regression from #3604) (#4133)

app/javascript/mastodon/locales/bg.json

@@ -18,6 +18,12 @@
   "account.unfollow": "Не следвай",
   "account.unmute": "Unmute @{name}",
   "boost_modal.combo": "You can press {combo} to skip this next time",
+  "bundle_column_error.body": "Something went wrong while loading this component.",
+  "bundle_column_error.retry": "Try again",
+  "bundle_column_error.title": "Network error",
+  "bundle_modal_error.close": "Close",
+  "bundle_modal_error.message": "Something went wrong while loading this component.",
+  "bundle_modal_error.retry": "Try again",
   "column.blocks": "Blocked users",
   "column.community": "Local timeline",
   "column.favourites": "Favourites",
@@ -136,7 +142,6 @@
   "privacy.unlisted.long": "Do not show in public timelines",
   "privacy.unlisted.short": "Unlisted",
   "reply_indicator.cancel": "Отказ",
-  "report.heading": "New report",
   "report.placeholder": "Additional comments",
   "report.submit": "Submit",
   "report.target": "Reporting",