chore(deps): bump robotframework-pabot from 2.18.0 to 4.0.6 in /tests-qa

Bumps [robotframework-pabot](https://github.com/mkorpela/pabot) from 2.18.0 to 4.0.6.
- [Release notes](https://github.com/mkorpela/pabot/releases)
- [Commits](mkorpela/pabot@2.18.0...4.0.6)

---
updated-dependencies:
- dependency-name: robotframework-pabot
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

tests-qa/requirements.txt

@@ -9,4 +9,4 @@ robotframework-eyes==1.6.2
 robotframework-requests==0.9.7
 robotframework-jsonlibrary==0.5
 pyyaml
-robotframework-pabot==2.18.0
+robotframework-pabot==4.0.6