Bump Verify.MSTest from 21.3.0 to 22.1.2 (#76)

Bumps [Verify.MSTest](https://github.com/VerifyTests/Verify) from 21.3.0 to 22.1.2.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@21.3.0...22.1.2)

---
updated-dependencies:
- dependency-name: Verify.MSTest
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

SourceGenerator/Akade.IndexedSet.InternalSourceGenerator.Tests/Akade.IndexedSet.InternalSourceGenerator.Tests.csproj

@@ -16,7 +16,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Verify.DiffPlex" Version="2.2.1" />
-    <PackageReference Include="Verify.MSTest" Version="21.3.0" />
+    <PackageReference Include="Verify.MSTest" Version="22.1.2" />
     <PackageReference Include="Verify.SourceGenerators" Version="2.2.0" />
   </ItemGroup>