Merge pull request akkadotnet#61 from akkadotnet/dependabot/nuget/Akka.TestKit.Xunit2-1.3.15

Author: dependabot-preview[bot]

src/Akka.Logger.Serilog.Tests/Akka.Logger.Serilog.Tests.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
-    <PackageReference Include="Akka.TestKit.Xunit2" Version="1.3.9" />
+    <PackageReference Include="Akka.TestKit.Xunit2" Version="1.3.15" />
     <PackageReference Include="FluentAssertions" Version="5.9.0" />
     <PackageReference Include="Serilog.Sinks.ColoredConsole" Version="3.0.1" />
   </ItemGroup>