Bump Fluent.Ribbon from 8.0.2 to 9.0.0

Bumps [Fluent.Ribbon](https://github.com/fluentribbon/Fluent.Ribbon) from 8.0.2 to 9.0.0.
- [Release notes](https://github.com/fluentribbon/Fluent.Ribbon/releases)
- [Changelog](https://github.com/fluentribbon/Fluent.Ribbon/blob/develop/Changelog.md)
- [Commits](fluentribbon/Fluent.Ribbon@v8.0.2...v9.0.0)

---
updated-dependencies:
- dependency-name: Fluent.Ribbon
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

phirSOFT.FluentPrismAdapters/phirSOFT.FluentPrismAdapters.csproj

@@ -15,7 +15,7 @@
  <LangVersion>9.0</LangVersion>
  </PropertyGroup>
  <ItemGroup>
- <PackageReference Include="Fluent.Ribbon" Version="8.0.2" />
+ <PackageReference Include="Fluent.Ribbon" Version="9.0.0" />
  <PackageReference Include="GitVersionTask" Version="5.0.1">
  <PrivateAssets>all</PrivateAssets>
  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>