ci(kitchen+gitlab): adjust matrix to add 3004

* Semi-automated using https://github.com/myii/ssf-formula/pull/385

.github/workflows/kitchen.vagrant.yml

@@ -19,7 +19,6 @@ jobs:
           - default-freebsd-130-3003-1-py3
           - default-freebsd-122-3003-1-py3
           - default-openbsd-69-3002-6-py3
-          # - default-openbsd-68-3001-1-py3
           - default-windows-10-latest-py3
           - default-windows-81-latest-py3
     steps: