Chore(deps): Bump TUnit.Assertions from 0.66.6 to 0.67.19

---
updated-dependencies:
- dependency-name: TUnit.Assertions
  dependency-version: 0.67.19
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/CodeOfChaos.Testing.TUnit/CodeOfChaos.Testing.TUnit.csproj

@@ -32,7 +32,7 @@
         <PackageReference Include="JetBrains.Annotations" Version="2025.2.2" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.9" />
 
-        <PackageReference Include="TUnit.Assertions" Version="0.66.6" />
+        <PackageReference Include="TUnit.Assertions" Version="0.67.19" />
         <PackageReference Include="TUnit.Core" Version="0.66.6" />
     </ItemGroup>