ci: ci_run_n_monitor fix Unicode log parsing

Fixes issues as  `...truncated \ xXX escape` while parsing the log.

Acked-by: Eric Engestrom <eric@igalia.com>
Reviewed-by: Martin Roukala <martin.roukala@mupuf.org>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20271>

.gitlab-ci/bin/ci_run_n_monitor.py

@@ -214,7 +214,7 @@ def print_log(project, job_id) -> None:
         job = project.jobs.get(job_id)
 
         # GitLab's REST API doesn't offer pagination for logs, so we have to refetch it all
-        lines = job.trace().decode("unicode_escape").splitlines()
+        lines = job.trace().decode("raw_unicode_escape").splitlines()
         for line in lines[printed_lines:]:
             print(line)
         printed_lines = len(lines)