Bump TUnit from 1.9.2 to 1.9.81

---
updated-dependencies:
- dependency-name: TUnit
  dependency-version: 1.9.81
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -22,7 +22,7 @@
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.0.1" />
     <PackageVersion Include="System.Formats.Asn1" Version="9.0.10" />
-    <PackageVersion Include="TUnit" Version="1.9.2" />
+    <PackageVersion Include="TUnit" Version="1.9.81" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="xunit.v3" Version="3.2.1" />
   </ItemGroup>