chore(deps): update tunit packages to 1.9.55 (#985)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -25,8 +25,8 @@
     <PackageVersion Include="NUnit.Analyzers" Version="4.11.2" />
     <PackageVersion Include="Polyfill" Version="9.7.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.4" />
-    <PackageVersion Include="TUnit" Version="1.9.45" />
-    <PackageVersion Include="TUnit.Core" Version="1.9.45" />
+    <PackageVersion Include="TUnit" Version="1.9.55" />
+    <PackageVersion Include="TUnit.Core" Version="1.9.55" />
     <PackageVersion Include="Verify.MSTest" Version="31.9.3" />
     <PackageVersion Include="Verify.NUnit" Version="31.9.3" />
     <PackageVersion Include="Verify.TUnit" Version="31.9.3" />