Bump MSTest.TestAdapter and MSTest.TestFramework (#396)

Bumps MSTest.TestAdapter from 3.9.2 to 3.9.3
Bumps MSTest.TestFramework from 3.9.2 to 3.9.3

---
updated-dependencies:
- dependency-name: MSTest.TestAdapter
  dependency-version: 3.9.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-version-updates
- dependency-name: MSTest.TestFramework
  dependency-version: 3.9.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-version-updates
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

PxWeb.UnitTests/PxWeb.UnitTests.csproj

@@ -19,8 +19,8 @@
     <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="3.1.6" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.9.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.9.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.9.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.9.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>