Bump TUnit from 0.90.6 to 0.90.19

---
updated-dependencies:
- dependency-name: TUnit
  dependency-version: 0.90.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

test/TestHost.Abstracts.Tests/TestHost.Abstracts.Tests.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="TUnit" Version="0.90.6" />
+    <PackageReference Include="TUnit" Version="0.90.19" />
   </ItemGroup>
 
   <ItemGroup>