Bump MSTest.TestAdapter from 2.1.0 to 2.1.1

Bumps [MSTest.TestAdapter](https://github.com/microsoft/testfx) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Commits](microsoft/testfx@v2.1.0...v2.1.1)

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

BulkDataUpdaterTests/packages.config

@@ -6,7 +6,7 @@
   <package id="Microsoft.CrmSdk.XrmTooling.CoreAssembly" version="9.1.0.43" targetFramework="net462" />
   <package id="Microsoft.IdentityModel.Clients.ActiveDirectory" version="5.2.7" targetFramework="net462" />
   <package id="Microsoft.Rest.ClientRuntime" version="2.3.21" targetFramework="net462" />
-  <package id="MSTest.TestAdapter" version="2.1.0" targetFramework="net462" />
+  <package id="MSTest.TestAdapter" version="2.1.1" targetFramework="net462" />
   <package id="MSTest.TestFramework" version="2.1.0" targetFramework="net462" />
   <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net462" />
   <package id="System.Net.Http" version="4.3.4" targetFramework="net462" />