Use any minor version updates to test tooling

Author: jburnett

test/test.csproj

@@ -20,10 +20,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
-    <PackageReference Include="xunit" Version="2.2.0" />
-    <PackageReference Include="FluentAssertions" Version="4.19.*" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.*" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.*" />
+    <PackageReference Include="xunit" Version="2.*" />
+    <PackageReference Include="FluentAssertions" Version="4.*" />
   </ItemGroup>
 
 </Project>