build(deps): bump ReactiveMarbles.RoslynHelpers from 1.0.9 to 1.0.12 (#23)

Bumps [ReactiveMarbles.RoslynHelpers](https://github.com/reactivemarbles/PropertyChanged) from 1.0.9 to 1.0.12.
- [Release notes](https://github.com/reactivemarbles/PropertyChanged/releases)
- [Changelog](https://github.com/reactivemarbles/PropertyChanged/blob/main/docs/ReactiveMarbles.PropertyChanged.Benchmarks.PropertyChangesBenchmarks-report-github.md)
- [Commits](https://github.com/reactivemarbles/PropertyChanged/commits)

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

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

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

Author: dependabot[bot]

src/Splat.DependencyInjection.SourceGenerator/Splat.DependencyInjection.SourceGenerator.csproj

@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" PrivateAssets="all" />
-    <PackageReference Include="ReactiveMarbles.RoslynHelpers" Version="1.0.9" PrivateAssets="all" />
+    <PackageReference Include="ReactiveMarbles.RoslynHelpers" Version="1.0.12" PrivateAssets="all" />
   </ItemGroup>
 
   <Target Name="PackBuildOutputs">