Bump test-kitchen from 3.2.1 to 3.2.2 in /omnibus

Bumps [test-kitchen](https://github.com/test-kitchen/test-kitchen) from 3.2.1 to 3.2.2.
- [Release notes](https://github.com/test-kitchen/test-kitchen/releases)
- [Changelog](https://github.com/test-kitchen/test-kitchen/blob/master/CHANGELOG.md)
- [Commits](test-kitchen/test-kitchen@v3.2.1...v3.2.2)

---
updated-dependencies:
- dependency-name: test-kitchen
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

omnibus/Gemfile.lock

@@ -339,7 +339,7 @@ GEM
       unicode_utils (~> 1.4)
     strings-ansi (0.2.0)
     syslog-logger (1.6.8)
-    test-kitchen (3.2.1)
+    test-kitchen (3.2.2)
       bcrypt_pbkdf (~> 1.0)
       chef-utils (>= 16.4.35)
       ed25519 (~> 1.2)