gitlab-ci.yml: collect qemu boot log

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>
6 jobs for feature/spread-ci in 2 minutes and 40 seconds (queued for 1 second)
Status Job ID Name Coverage
  Compliance
passed #30891
reuse

00:00:04

 
  Test
passed #30892
format

00:00:05

failed #30896
qemu-friendly
spread

00:02:18

passed #30893
test

00:00:13

failed #30894
qemu-friendly
spread

00:02:21

 
  Build
skipped #30895
build
 
Name Stage Failure
failed
spread Test
Running after_script
Running after script...
$ rm -rf ~/.spread/qemu
Uploading artifacts for failed job
Uploading artifacts...
serial.log: found 1 matching files and directories

Uploading artifacts as "archive" to coordinator... ok
id=30896 responseStatus=201 Created token=PgQ4Sd_z
Cleaning up file based variables
ERROR: Job failed: exit code 1