Bump Verify.TUnit from 31.9.3 to 31.9.4 (#100)

---
updated-dependencies:
- dependency-name: Verify.TUnit
  dependency-version: 31.9.4
  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>

Author: dependabot[bot]

tests/Theodicean.SourceGenerators.Tests/Theodicean.SourceGenerators.Tests.csproj

@@ -18,7 +18,7 @@
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
         <PackageReference Include="TUnit" Version="1.10.0" />
-        <PackageReference Include="Verify.TUnit" Version="31.9.3" />
+        <PackageReference Include="Verify.TUnit" Version="31.9.4" />
     </ItemGroup>
 
     <ItemGroup>