Spellchecker fix - rewrite a YAML comment that contains forbidden pattern (#41936)

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## Summary of the Pull Request

Fixes a YAML comment that contains pattern forbidden by the spellchecker
introduces in #41723.

See https://github.com/microsoft/PowerToys/security/code-scanning/36008

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## PR Checklist

- [ ] Closes: #xxx
- [ ] **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

.pipelines/v2/templates/job-build-project.yml

@@ -418,7 +418,7 @@ jobs:
       }
       
       if ($Packages.Count -gt 0) {
-          # Priority: Look for platform-specific MSIX (x64/arm64) first, then fallback to any
+          # Priority: Look for platform-specific MSIX (x64/arm64) first, then fall back to any
           $PlatformPackage = $Packages | Where-Object { $_.Name -match "Microsoft\.CmdPal\.UI_.*_(x64|arm64)\.msix$" } | Select-Object -First 1
           if ($PlatformPackage) {
               $Package = $PlatformPackage