gitlab-ci: store artifacts even on failure

Test logs are especially useful when there are failures!  Allow
inspecting them to ease debugging of CI issues.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 808d95d..e0eb85a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@
  artifacts:
   when: always
   expire_in: 2 days
+  when: always
   paths:
    - logs
 
@@ -17,6 +18,7 @@
  artifacts:
   when: always
   expire_in: 2 days
+  when: always
   paths:
    - build/logs