Update TUnit to 0.76.7 (#1979)

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

Author: renovate[bot]

Directory.Packages.props

@@ -29,8 +29,8 @@
         <PackageVersion Include="JetBrains.ReSharper.GlobalTools" Version="2024.3.8" />
         <PackageVersion Include="Polyfill" Version="9.0.0-beta.22" />
         <PackageVersion Include="Serilog.Sinks.Spectre" Version="0.5.0" />
-        <PackageVersion Include="TUnit" Version="0.75.30" />
-        <PackageVersion Include="TUnit.Core" Version="0.75.30" />
+        <PackageVersion Include="TUnit" Version="0.76.7" />
+        <PackageVersion Include="TUnit.Core" Version="0.76.7" />
         <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
         <PackageVersion Include="GitVersion.Tool" Version="6.4.0" />
         <PackageVersion Include="Nuke.Common" Version="9.0.4" />