Update dependencies

Author: asmichi

src/ChildProcess.Test/ChildProcess.Test.csproj

@@ -14,9 +14,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="xunit" Version="2.7.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers" />
   </ItemGroup>
 
   <ItemGroup>

src/ChildProcess/ChildProcess.csproj

@@ -20,10 +20,6 @@
     <PackageId>Asmichi.ChildProcess</PackageId>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
-  </ItemGroup>
-
   <Import Project="$(WorktreeRoot)\build\msbuild\ChildProcessNativeFiles.targets" />
 
   <!-- *** Invoke build/FetchNativeLib.ps1 beforehand! ***  -->