ci : add ccache to server builds + fix undefined sanitizer build (#23763)

* ci : fix undefined sanitizer build to use Debug build type only

* ci : ccache the server builds

* cont : remove ui dependency + reuse ccache for both ubuntu jobs

* tmp : force ccache save

* Revert "tmp : force ccache save"

This reverts commit a857b03a10b1304d456129a017e0e46b185618ee.

* cont : no need for node.js