ci: Move deqp-default-skips.txt back to .gitlab-ci/

Since we don't manually enumerate the drivers using it, we have to retest
all drivers when changing it (which basically never happens, anyway).

Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9353>

.gitlab-ci/prepare-artifacts.sh

@@ -31,6 +31,7 @@ cp -Rp .gitlab-ci/fossils.yml install/
 cp -Rp .gitlab-ci/fossils install/
 cp -Rp .gitlab-ci/fossilize-runner.sh install/
 cp -Rp .gitlab-ci/deqp-runner.sh install/
+cp -Rp .gitlab-ci/deqp-*.txt install/
 cp -Rp ci-expects/*/* install/
 find . -path \*/ci/\*.txt \
     -o -path \*/ci/\*traces\*.yml \