[QuickAccent]Add Bulgarian (#33550)

## Summary of the Pull Request
Adds Bulgarian to Quick Accent

## Detailed Description of the Pull Request / Additional comments
Adds Cyrillic letter short I (й)

src/settings-ui/Settings.UI/SettingsXAML/Views/PowerAccentPage.xaml

@@ -53,6 +53,7 @@
                         <ComboBox MinWidth="{StaticResource SettingActionControlMinWidth}" SelectedIndex="{x:Bind Path=ViewModel.SelectedLangIndex, Mode=TwoWay}">
                             <!--  These should be in the same order as the array items in PowerAccentViewModel.cs  -->
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_All" />
+                            <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Bulgarian" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Catalan" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Crimean" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Currency" />

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -3444,6 +3444,9 @@ Activate by holding the key for the character you want to add an accent to, then
   <data name="QuickAccent_SelectedLanguage_All.Content" xml:space="preserve">
     <value>All available</value>
   </data>
+  <data name="QuickAccent_SelectedLanguage_Bulgarian.Content" xml:space="preserve">
+    <value>Bulgarian</value>
+  </data>
   <data name="QuickAccent_SelectedLanguage_Catalan.Content" xml:space="preserve">
     <value>Catalan</value>
   </data>

src/settings-ui/Settings.UI/ViewModels/PowerAccentViewModel.cs

@@ -24,6 +24,7 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
         private readonly string[] _languageOptions =
         {
             "ALL",
+            "BG",
             "CA",
             "CRH",
             "CUR",