Merge branch 'renovate-qa/gitlab-development-kit-digest' into 'master'

Update gitlab-development-kit digest to dbfba9ee

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149651



Merged-by: Tiffany Rea <trea@gitlab.com>
Approved-by: Tiffany Rea <trea@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>

qa/gdk/Dockerfile.gdk

-ARG GDK_SHA=f4582c90435fb43bd3af1a3ae7cca753fa49530f
+ARG GDK_SHA=dbfba9ee74328cab28181ff21d140402139d8bba
 # Use tag prefix when running on 'stable' branch to make sure 'protected' image is used which is not deleted by registry cleanup
 ARG GDK_BASE_TAG_PREFIX