Bump MSTest.TestAdapter from 2.2.5 to 2.2.6
Bump MSTest.TestAdapter from 2.2.5 to 2.2.6

Bumps [MSTest.TestAdapter](https://github.com/microsoft/testfx) from 2.2.5 to 2.2.6.
- [Release notes](https://github.com/microsoft/testfx/releases)
- [Commits](https://github.com/microsoft/testfx/compare/v2.2.5...v2.2.6)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
ObjectivityLtd/Test.Automation,ObjectivityBSS/Test.Automation