build(deps): bump kitchen-dokken from 2.20.5 to 2.20.6

Bumps [kitchen-dokken](https://github.com/test-kitchen/kitchen-dokken) from 2.20.5 to 2.20.6.
- [Release notes](https://github.com/test-kitchen/kitchen-dokken/releases)
- [Changelog](https://github.com/test-kitchen/kitchen-dokken/blob/main/CHANGELOG.md)
- [Commits](test-kitchen/kitchen-dokken@v2.20.5...v2.20.6)

---
updated-dependencies:
- dependency-name: kitchen-dokken
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -450,7 +450,7 @@ GEM
       recursive-open-struct (~> 1.1.3)
       yajl-ruby (~> 1.4.0)
       yaml-safe_load_stream3
-    kitchen-dokken (2.20.5)
+    kitchen-dokken (2.20.6)
       docker-api (>= 1.33, < 3)
       lockfile (~> 2.1)
       test-kitchen (>= 1.15, < 4)
@@ -528,7 +528,7 @@ GEM
       trailblazer-option (>= 0.1.1, < 0.2.0)
       uber (< 0.2.0)
     retriable (3.1.2)
-    rexml (3.3.0)
+    rexml (3.3.1)
       strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
@@ -731,14 +731,15 @@ GEM
     uber (0.1.0)
     unicode-display_width (2.5.0)
     unicode_utils (1.4.0)
-    winrm (2.3.6)
+    winrm (2.3.7)
       builder (>= 2.1.2)
       erubi (~> 1.8)
       gssapi (~> 1.2)
       gyoku (~> 1.0)
       httpclient (~> 2.2, >= 2.2.0.2)
       logging (>= 1.6.1, < 3.0)
       nori (~> 2.0)
+      rexml (~> 3.0)
       rubyntlm (~> 0.6.0, >= 0.6.3)
     winrm-elevated (1.2.3)
       erubi (~> 1.8)