Bump MSTest.TestFramework from 3.9.3 to 3.11.0

---
updated-dependencies:
- dependency-name: MSTest.TestFramework
  dependency-version: 3.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/SourceBrowser/src/Directory.Packages.props

@@ -30,7 +30,7 @@
     <!-- test dependencies -->
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.9.3" />
-    <PackageVersion Include="MSTest.TestFramework" Version="3.9.3" />
+    <PackageVersion Include="MSTest.TestFramework" Version="3.11.0" />
     <PackageVersion Include="Selenium.WebDriver" Version="3.14.0" />
     <PackageVersion Include="coverlet.collector" Version="1.2.0" />
     <PackageVersion Include="nunit" Version="3.12.0" />