ci: Fix DEQP_CASELIST_FILTER (used by a630 noubo run)

We were doing sed -i /filter/p, which printed everything but printed the
filtered things twice (though they'd only get tested once).  Now that the
filter works, run all the UBO tests instead of doing a 1/5 run, revealing
a new failure.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5089>
3 files changed