CmdPal: Make text of text Settings button on Command Bar localizable (#44128)

## Summary of the Pull Request

See title

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## PR Checklist

- [x] Closes: #44108
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issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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## Detailed Description of the Pull Request / Additional comments

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## Validation Steps Performed

src/modules/cmdpal/Microsoft.CmdPal.UI/Controls/CommandBar.xaml

@@ -142,9 +142,9 @@
                     FontSize="16"
                     Glyph="" />
                 <TextBlock
+                    x:Uid="SettingsButtonTextBlock"
                     VerticalAlignment="Center"
-                    Style="{StaticResource CaptionTextBlockStyle}"
-                    Text="Settings" />
+                    Style="{StaticResource CaptionTextBlockStyle}" />
             </StackPanel>
         </Button>
         <TextBlock

src/modules/cmdpal/Microsoft.CmdPal.UI/Strings/en-us/Resources.resw

@@ -574,4 +574,7 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
   <data name="Settings_GeneralPage_EscapeKeyBehavior_SettingsCard.Description" xml:space="preserve">
     <value>Choose how Escape key behaves</value>
   </data>
+  <data name="SettingsButtonTextBlock.Text" xml:space="preserve">
+    <value>Settings</value>
+  </data>
 </root>