Update Directory.Packages.props

Author: Bertk

Directory.Packages.props

@@ -45,10 +45,10 @@
     <PackageVersion Include="System.Linq.Async" Version="6.0.1" />
     <PackageVersion Include="System.Reflection.Metadata" Version="8.0.0" />
     <PackageVersion Include="Tmds.ExecFunction" Version="0.8.0" />
-    <PackageVersion Include="xunit.v3" Version="0.6.0-pre.7" />
-    <PackageVersion Include="xunit.v3.core" Version="0.6.0-pre.7" />
-    <PackageVersion Include="xunit.v3.assert" Version="0.6.0-pre.7" />
-    <PackageVersion Include="xunit.v3.extensibility.core" Version="0.6.0-pre.7" />
+    <PackageVersion Include="xunit.v3" Version="0.6.0-pre.15" />
+    <PackageVersion Include="xunit.v3.core" Version="0.6.0-pre.15" />
+    <PackageVersion Include="xunit.v3.assert" Version="0.6.0-pre.15" />
+    <PackageVersion Include="xunit.v3.extensibility.core" Version="0.6.0-pre.15" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0-pre.49" />
     <PackageVersion Include="System.Buffers" Version="4.5.1" />
     <PackageVersion Include="System.Memory" Version="4.5.5" />