Bump Microsoft.Maui.Controls.Compatibility from 8.0.70 to 8.0.80 (dotnet#498)

Bumps [Microsoft.Maui.Controls.Compatibility](https://github.com/dotnet/maui) from 8.0.70 to 8.0.80.
- [Release notes](https://github.com/dotnet/maui/releases)
- [Changelog](https://github.com/dotnet/maui/blob/main/docs/ReleaseSchedule.md)
- [Commits](dotnet/maui@8.0.70...8.0.80)

---
updated-dependencies:
- dependency-name: Microsoft.Maui.Controls.Compatibility
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tests/ClientApp.UnitTests/ClientApp.UnitTests.csproj

@@ -12,7 +12,7 @@
   <ItemGroup>
 
     <PackageReference Include="Microsoft.Maui.Controls" Version="8.0.80" />
-    <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="8.0.70" />
+    <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="8.0.80" />
     <PackageReference Include="Microsoft.Maui.Controls.Maps" Version="8.0.70" />
 
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />