build(deps): bump FodyHelpers from 6.1.0 to 6.1.1 (#2350)

Bumps [FodyHelpers](https://github.com/Fody/Fody) from 6.1.0 to 6.1.1.
- [Release notes](https://github.com/Fody/Fody/releases)
- [Commits](Fody/Fody@6.1.0...6.1.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

src/ReactiveUI.Fody/ReactiveUI.Fody.csproj

@@ -9,6 +9,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FodyHelpers" Version="6.1.0" />
+    <PackageReference Include="FodyHelpers" Version="6.1.1" />
   </ItemGroup>
 </Project>