Bump Polly from 8.4.1 to 8.4.2 (#339)

Bumps [Polly](https://github.com/App-vNext/Polly) from 8.4.1 to 8.4.2.
- [Release notes](https://github.com/App-vNext/Polly/releases)
- [Changelog](https://github.com/App-vNext/Polly/blob/main/CHANGELOG.md)
- [Commits](App-vNext/Polly@8.4.1...8.4.2)

---
updated-dependencies:
- dependency-name: Polly
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Directory.Packages.props

@@ -32,7 +32,7 @@
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="Moq.AutoMock" Version="3.5.0" />
     <PackageVersion Include="MudBlazor" Version="7.8.0" />
-    <PackageVersion Include="Polly" Version="8.4.1" />
+    <PackageVersion Include="Polly" Version="8.4.2" />
     <PackageVersion Include="Toolbelt.Blazor.PWA.Updater" Version="2.1.0.1" />
     <PackageVersion Include="xunit" Version="2.9.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2">