Cmdpal: Fix cmdpal toolkit restore failure for slnx in release pipeline (#44152)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
Error from pipeline: 

Invalid input 'PowerToys.slnx'. The file type was not recognized.
MSBuild version 17.14.23+b0019275e for .NET Framework
Build started 12/8/2025 6:33:14 AM.

Nuget support for slnx will be ready in nuget version 7, so use msbuild
to restore

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## PR Checklist

- [ ] Closes: #xxx
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
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

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src="https://github.com/user-attachments/assets/ca0486a7-0c07-4fad-a81e-b98767ea8005"
/>

.pipelines/versionAndSignCheck.ps1

@@ -52,7 +52,12 @@ $nullVersionExceptions = @(
     "System.Diagnostics.EventLog.Messages.dll",
     "Microsoft.Windows.Widgets.dll",
     "AdaptiveCards.ObjectModel.WinUI3.dll",
-    "AdaptiveCards.Rendering.WinUI3.dll") -join '|';
+    "AdaptiveCards.Rendering.WinUI3.dll",
+    "boost_regex_vc143_mt_gd_x32_1_87.dll",
+    "boost_regex_vc143_mt_gd_x64_1_87.dll",
+    "boost_regex_vc143_mt_x32_1_87.dll",
+    "boost_regex_vc143_mt_x64_1_87.dll"
+    ) -join '|';
 $totalFailure = 0;
 
 Write-Host $DirPath;