Bump Microsoft.TestPlatform.TestHost from 18.8.1 to 18.9.0

---
updated-dependencies:
- dependency-name: Microsoft.TestPlatform.TestHost
  dependency-version: 18.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

EverlightRadiology/EverlightRadiology.csproj

@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.11" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.11" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
-    <PackageReference Include="Microsoft.TestPlatform.TestHost" Version="18.8.1" />
+    <PackageReference Include="Microsoft.TestPlatform.TestHost" Version="18.9.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="Newtonsoft.Json.Schema" Version="4.0.1" />
     <PackageReference Include="NUnit" Version="4.6.1" />