Bump MSTest.TestFramework from 3.6.4 to 3.7.3

Bumps [MSTest.TestFramework](https://github.com/microsoft/testfx) from 3.6.4 to 3.7.3.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Changelog](https://github.com/microsoft/testfx/blob/main/docs/Changelog.md)
- [Commits](microsoft/testfx@v3.6.4...v3.7.3)

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

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

Author: dependabot[bot]

test/Hyperbee.Templating.Tests/Hyperbee.Templating.Tests.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="Hyperbee.Collections" Version="2.0.0" />
     <PackageReference Include="Hyperbee.Resources" Version="2.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
     <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>