i18n: translation updates from weblate

Co-authored-by: Benmak Kizuna <benmakworkshop@gmail.com>
Co-authored-by: Fedorov Alexei <aleksejfedorov963@gmail.com>
Co-authored-by: Hosted Weblate <hosted@weblate.org>
Co-authored-by: jonnysemon <jonnysemon@users.noreply.hosted.weblate.org>
Translate-URL: https://hosted.weblate.org/projects/pop-os/libcosmic/ar/
Translate-URL: https://hosted.weblate.org/projects/pop-os/libcosmic/ru/
Translation: Pop OS/libcosmic

i18n/ar/libcosmic.ftl

@@ -3,7 +3,7 @@ close = أغلِق
 # About
 license = الترخيص
 links = الروابط
-developers = المطورون
+developers = المطوِّرون
 designers = المصمّمون
 artists = الفنانون
 translators = المترجمون

i18n/ru/libcosmic.ftl

@@ -6,3 +6,22 @@ designers = Дизайнеры
 artists = Художники
 translators = Переводчики
 documenters = Авторы документации
+january = Январь { $year }
+february = Февраль { $year }
+march = Март { $year }
+april = Апрель { $year }
+may = Май { $year }
+june = Июнь { $year }
+july = Июль { $year }
+august = Август { $year }
+september = Сентябрь { $year }
+october = Октябрь { $year }
+november = Ноябрь { $year }
+december = Декабрь { $year }
+monday = Пн
+tuesday = Вт
+wednesday = Ср
+thursday = Чт
+friday = Пт
+saturday = Сб
+sunday = Вс