[gtksourceview] Update Brazilian Portuguese translation

[Translations User D-L <translations src gnome org>]

commit 1bf3e3654003956f66b59ca50c7285984d44966a
Author: Enrico Nicoletto <liverig gmail com>
Date:   Mon Oct 11 22:15:26 2021 +0000

    Update Brazilian Portuguese translation

 po/pt_BR.po | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/po/pt_BR.po b/po/pt_BR.po
index ad785624..012b3ee1 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -23,8 +23,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gtksourceview\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gtksourceview/issues\n";
-"POT-Creation-Date: 2021-10-11 19:08+0000\n"
-"PO-Revision-Date: 2021-10-11 17:58-0300\n"
+"POT-Creation-Date: 2021-10-11 21:30+0000\n"
+"PO-Revision-Date: 2021-10-11 19:14-0300\n"
 "Last-Translator: Enrico Nicoletto <liverig gmail com>\n"
 "Language-Team: Brazilian Portuguese <gnome-pt_br-list gnome org>\n"
 "Language: pt_BR\n"
@@ -332,6 +332,16 @@ msgstr "Adwaita"
 msgid "A color scheme matching GTK's default theme"
 msgstr "Um esquema de cores combinando com o tema padrão do GTK"
 
+#. (itstool) path: classic-dark.xml/style-scheme@_name
+#: classic-dark.xml:22
+msgid "Classic Dark"
+msgstr "Escuro clássico"
+
+#. (itstool) path: style-scheme/_description
+#: classic-dark.xml:24
+msgid "Classic dark color scheme"
+msgstr "Esquema de cor escura clássica"
+
 #. (itstool) path: classic.xml/style-scheme@_name
 #: classic.xml:23
 msgid "Classic"