
Currently, the container tag for 99cloud/skyline in the documentation is uified as "latest" for the corresponding latest branch, which is inconsistent with the inconsistent with the version branches. Update 99cloud/skyline container tag from "latest" to "2023.2" in doc/source/install/docker-install-ubuntu.rst to align with the branch. Change-Id: If2e93c1fa50f6745e7b670f01d212bd8872c2b5f