fix(l10n): translated using Weblate (Portuguese)

Currently translated at 100.0% (121 of 121 strings)

Translation: ubuntu-desktop-translations/Ubuntu Flutter Plugins
Translate-URL: https://hosted.weblate.org/projects/ubuntu-desktop-translations/ubuntu-flutter-plugins/pt/

Author: mansil

packages/ubuntu_localizations/lib/src/l10n/ubuntu_pt.arb

@@ -154,7 +154,7 @@
   "@preferencesLabel": {},
   "previousLabel": "Anterior",
   "@previousLabel": {},
-  "printLabel": "Mostrar",
+  "printLabel": "Imprimir",
   "@printLabel": {},
   "printPreviewLabel": "Mostrar pré-visualização",
   "@printPreviewLabel": {},