Bump MSTest.TestAdapter from 3.1.1 to 3.2.0 in /src (#1136)

Bumps [MSTest.TestAdapter](https://github.com/microsoft/testfx) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.1.1...v.3.2.0)

---
updated-dependencies:
- dependency-name: MSTest.TestAdapter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/NugetUsage/MSTestNugetUsage/MSTestNugetUsage.csproj

@@ -6,7 +6,7 @@
   <ItemGroup>
     <!-- begin-snippet: mstest-nugets -->
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.2.0" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
     <PackageReference Include="Verify.MSTest" Version="23.0.1" />
     <!-- end-snippet -->

src/Verify.MSTest.DerivePaths.Tests/Verify.MSTest.DerivePaths.Tests.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.2.0" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
     <PackageReference Include="ProjectDefaults" Version="1.0.109" PrivateAssets="all" />
     <ProjectReference Include="..\Verify.MSTest\Verify.MSTest.csproj" />