[skip CI] i18n: Translate dde-session-ui.ts in pt_BR

90% of minimum 1% translated source file: 'dde-session-ui.ts'
on 'pt_BR'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

Author: transifex-integration[bot]

translations/dde-session-ui_pt_BR.ts

@@ -734,7 +734,7 @@
     <message>
         <location filename="../dde-welcome/src/updatecontent.cpp" line="24"/>
         <source>Welcome, system updated successfully</source>
-        <translation>Bem-vindo, o sistema foi atualizado com sucesso</translation>
+        <translation>Bem-vindo, o sistema foi atualizado com sucesso!</translation>
     </message>
     <message>
         <location filename="../dde-welcome/src/updatecontent.cpp" line="25"/>