android, desktop: add Ukrainian language

apps/multiplatform/android/build.gradle.kts

@@ -95,6 +95,7 @@ android {
         "pt-rBR",
         "ru",
         "th",
+        "uk",
         "zh-rCN"
     )
     //    }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/Appearance.kt

@@ -210,9 +210,10 @@ object AppearanceScope {
       "ja" to "日本語",
       "nl" to "Nederlands",
       "pl" to "Polski",
-      "pt-BR" to "Português (Brasil)",
+      "pt-BR" to "Português, Brasil",
       "ru" to "Русский",
       "th" to "ภาษาไทย",
+      "uk" to "Українська",
       "zh-CN" to "简体中文"
     )
     val values by remember(ChatController.appPrefs.appLanguage.state.value) { mutableStateOf(supportedLanguages.map { it.key to it.value }) }