Bump System.Drawing.Common from 8.0.7 to 8.0.8 (#1694)

Bumps [System.Drawing.Common](https://github.com/dotnet/winforms) from 8.0.7 to 8.0.8.
- [Release notes](https://github.com/dotnet/winforms/releases)
- [Changelog](https://github.com/dotnet/winforms/blob/main/docs/release-activity.md)
- [Commits](dotnet/winforms@v8.0.7...v8.0.8)

---
updated-dependencies:
- dependency-name: System.Drawing.Common
  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

@@ -15,7 +15,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
 
     <!-- After an upgrade of this library the nuspec file should also be updated -->
-    <PackageVersion Include="System.Drawing.Common" Version="8.0.7" />
+    <PackageVersion Include="System.Drawing.Common" Version="8.0.8" />
 
   </ItemGroup>
 </Project>